Summary of Library Facilities

This appendix is a complete list of the facilities declared within the header files supplied with the GNU C library. Each entry also lists the standard or other source from which each facility is derived, and tells you where in the manual you can find more information about how to use it.

void abort (void)

`stdlib.h' (ISO): section Aborting a Program.

int abs (int number)

`stdlib.h' (ISO): section Absolute Value.

int accept (int socket, struct sockaddr *addr, socklen_t *length-ptr)

`sys/socket.h' (BSD): section Accepting Connections.

int access (const char *filename, int how)

`unistd.h' (POSIX.1): section Testing Permission to Access a File.

double acosh (double x)

`math.h' (BSD): section Hyperbolic Functions.

double acos (double x)

`math.h' (ISO): section Inverse Trigonometric Functions.

int adjtime (const struct timeval *delta, struct timeval *olddelta)

`sys/time.h' (BSD): section High-Resolution Calendar.

AF_FILE

`sys/socket.h' (GNU): section Address Formats.

AF_INET6

`sys/socket.h' (IPv6 Basic API): section Address Formats.

AF_INET

`sys/socket.h' (BSD): section Address Formats.

AF_UNIX

`sys/socket.h' (BSD): section Address Formats.

AF_UNSPEC

`sys/socket.h' (BSD): section Address Formats.

unsigned int alarm (unsigned int seconds)

`unistd.h' (POSIX.1): section Setting an Alarm.

void * alloca (size_t size);

`stdlib.h' (GNU, BSD): section Automatic Storage with Variable Size.

tcflag_t ALTWERASE

`termios.h' (BSD): section Local Modes.

int ARG_MAX

`limits.h' (POSIX.1): section General Capacity Limits.

char * asctime (const struct tm *brokentime)

`time.h' (ISO): section Formatting Date and Time.

double asinh (double x)

`math.h' (BSD): section Hyperbolic Functions.

double asin (double x)

`math.h' (ISO): section Inverse Trigonometric Functions.

int asprintf (char **ptr, const char *template, ...)

`stdio.h' (GNU): section Dynamically Allocating Formatted Output.

void assert (int expression)

`assert.h' (ISO): section Explicitly Checking Internal Consistency.

void assert_perror (int errnum)

`assert.h' (GNU): section Explicitly Checking Internal Consistency.

double atan2 (double y, double x)

`math.h' (ISO): section Inverse Trigonometric Functions.

double atanh (double x)

`math.h' (BSD): section Hyperbolic Functions.

double atan (double x)

`math.h' (ISO): section Inverse Trigonometric Functions.

int atexit (void (*function) (void))

`stdlib.h' (ISO): section Cleanups on Exit.

double atof (const char *string)

`stdlib.h' (ISO): section Parsing of Floats.

int atoi (const char *string)

`stdlib.h' (ISO): section Parsing of Integers.

long int atol (const char *string)

`stdlib.h' (ISO): section Parsing of Integers.

B0

`termios.h' (POSIX.1): section Line Speed.

B110

`termios.h' (POSIX.1): section Line Speed.

B1200

`termios.h' (POSIX.1): section Line Speed.

B134

`termios.h' (POSIX.1): section Line Speed.

B150

`termios.h' (POSIX.1): section Line Speed.

B1800

`termios.h' (POSIX.1): section Line Speed.

B19200

`termios.h' (POSIX.1): section Line Speed.

B200

`termios.h' (POSIX.1): section Line Speed.

B2400

`termios.h' (POSIX.1): section Line Speed.

B300

`termios.h' (POSIX.1): section Line Speed.

B38400

`termios.h' (POSIX.1): section Line Speed.

B4800

`termios.h' (POSIX.1): section Line Speed.

B50

`termios.h' (POSIX.1): section Line Speed.

B600

`termios.h' (POSIX.1): section Line Speed.

B75

`termios.h' (POSIX.1): section Line Speed.

B9600

`termios.h' (POSIX.1): section Line Speed.

int BC_BASE_MAX

`limits.h' (POSIX.2): section Utility Program Capacity Limits.

int BC_DIM_MAX

`limits.h' (POSIX.2): section Utility Program Capacity Limits.

int BC_DIM_MAX

`limits.h' (POSIX.2): section Utility Program Capacity Limits.

int bcmp (const void *a1, const void *a2, size_t size)

`string.h' (BSD): section String/Array Comparison.

void * bcopy (void *from, const void *to, size_t size)

`string.h' (BSD): section Copying and Concatenation.

int BC_SCALE_MAX

`limits.h' (POSIX.2): section Utility Program Capacity Limits.

int BC_STRING_MAX

`limits.h' (POSIX.2): section Utility Program Capacity Limits.

int bind (int socket, struct sockaddr *addr, socklen_t length)

`sys/socket.h' (BSD): section Setting the Address of a Socket.

tcflag_t BRKINT

`termios.h' (POSIX.1): section Input Modes.

_BSD_SOURCE

(GNU): section Feature Test Macros.

void * bsearch (const void *key, const void *array, size_t count, size_t size, comparison_fn_t compare)

`stdlib.h' (ISO): section Array Search Function.

int BUFSIZ

`stdio.h' (ISO): section Controlling Which Kind of Buffering.

void * bzero (void *block, size_t size)

`string.h' (BSD): section Copying and Concatenation.

double cabs (struct { double real, imag; } z)

`math.h' (BSD): section Absolute Value.

void * calloc (size_t count, size_t eltsize)

`malloc.h', `stdlib.h' (ISO): section Allocating Cleared Space.

double cbrt (double x)

`math.h' (BSD): section Exponentiation and Logarithms.

cc_t

`termios.h' (POSIX.1): section Terminal Mode Data Types.

tcflag_t CCTS_OFLOW

`termios.h' (BSD): section Control Modes.

double ceil (double x)

`math.h' (ISO): section Rounding and Remainder Functions.

speed_t cfgetispeed (const struct termios *termios-p)

`termios.h' (POSIX.1): section Line Speed.

speed_t cfgetospeed (const struct termios *termios-p)

`termios.h' (POSIX.1): section Line Speed.

int cfmakeraw (struct termios *termios-p)

`termios.h' (BSD): section Noncanonical Input.

void cfree (void *ptr)

`stdlib.h' (Sun): section Freeing Memory Allocated with malloc.

int cfsetispeed (struct termios *termios-p, speed_t speed)

`termios.h' (POSIX.1): section Line Speed.

int cfsetospeed (struct termios *termios-p, speed_t speed)

`termios.h' (POSIX.1): section Line Speed.

int cfsetspeed (struct termios *termios-p, speed_t speed)

`termios.h' (BSD): section Line Speed.

CHAR_BIT

`limits.h' (ISO): section Computing the Width of an Integer Data Type.

CHAR_MAX

`limits.h' (ISO): section Range of an Integer Type.

CHAR_MIN

`limits.h' (ISO): section Range of an Integer Type.

int chdir (const char *filename)

`unistd.h' (POSIX.1): section Working Directory.

int CHILD_MAX

`limits.h' (POSIX.1): section General Capacity Limits.

int chmod (const char *filename, mode_t mode)

`sys/stat.h' (POSIX.1): section Assigning File Permissions.

int chown (const char *filename, uid_t owner, gid_t group)

`unistd.h' (POSIX.1): section File Owner.

tcflag_t CIGNORE

`termios.h' (BSD): section Control Modes.

void clearerr (FILE *stream)

`stdio.h' (ISO): section End-Of-File and Errors.

int CLK_TCK

`time.h' (POSIX.1): section Basic CPU Time Inquiry.

tcflag_t CLOCAL

`termios.h' (POSIX.1): section Control Modes.

clock_t clock (void)

`time.h' (ISO): section Basic CPU Time Inquiry.

int CLOCKS_PER_SEC

`time.h' (ISO): section Basic CPU Time Inquiry.

clock_t

`time.h' (ISO): section Basic CPU Time Inquiry.

int closedir (DIR *dirstream)

`dirent.h' (POSIX.1): section Reading and Closing a Directory Stream.

int close (int filedes)

`unistd.h' (POSIX.1): section Opening and Closing Files.

int COLL_WEIGHTS_MAX

`limits.h' (POSIX.2): section Utility Program Capacity Limits.

size_t confstr (int parameter, char *buf, size_t len)

`unistd.h' (POSIX.2): section String-Valued Parameters.

int connect (int socket, struct sockaddr *addr, socklen_t length)

`sys/socket.h' (BSD): section Making a Connection.

cookie_close_function

`stdio.h' (GNU): section Custom Stream Hook Functions.

cookie_io_functions_t

`stdio.h' (GNU): section Custom Streams and Cookies.

cookie_read_function

`stdio.h' (GNU): section Custom Stream Hook Functions.

cookie_seek_function

`stdio.h' (GNU): section Custom Stream Hook Functions.

cookie_write_function

`stdio.h' (GNU): section Custom Stream Hook Functions.

double copysign (double value, double sign)

`math.h' (BSD): section Normalization Functions.

double cosh (double x)

`math.h' (ISO): section Hyperbolic Functions.

double cos (double x)

`math.h' (ISO): section Trigonometric Functions.

tcflag_t CREAD

`termios.h' (POSIX.1): section Control Modes.

int creat (const char *filename, mode_t mode)

`fcntl.h' (POSIX.1): section Opening and Closing Files.

tcflag_t CRTS_IFLOW

`termios.h' (BSD): section Control Modes.

tcflag_t CS5

`termios.h' (POSIX.1): section Control Modes.

tcflag_t CS6

`termios.h' (POSIX.1): section Control Modes.

tcflag_t CS7

`termios.h' (POSIX.1): section Control Modes.

tcflag_t CS8

`termios.h' (POSIX.1): section Control Modes.

tcflag_t CSIZE

`termios.h' (POSIX.1): section Control Modes.

_CS_PATH

`unistd.h' (POSIX.2): section String-Valued Parameters.

tcflag_t CSTOPB

`termios.h' (POSIX.1): section Control Modes.

char * ctermid (char *string)

`stdio.h' (POSIX.1): section Identifying the Controlling Terminal.

char * ctime (const time_t *time)

`time.h' (ISO): section Formatting Date and Time.

char * cuserid (char *string)

`stdio.h' (POSIX.1): section Identifying Who Logged In.

int daylight

`time.h' (SVID): section Functions and Variables for Time Zones.

DBL_DIG

`float.h' (ISO): section Floating Point Parameters.

DBL_EPSILON

`float.h' (ISO): section Floating Point Parameters.

DBL_MANT_DIG

`float.h' (ISO): section Floating Point Parameters.

DBL_MAX_10_EXP

`float.h' (ISO): section Floating Point Parameters.

DBL_MAX_EXP

`float.h' (ISO): section Floating Point Parameters.

DBL_MAX

`float.h' (ISO): section Floating Point Parameters.

DBL_MIN_10_EXP

`float.h' (ISO): section Floating Point Parameters.

DBL_MIN_EXP

`float.h' (ISO): section Floating Point Parameters.

DBL_MIN

`float.h' (ISO): section Floating Point Parameters.

dev_t

`sys/types.h' (POSIX.1): section What the File Attribute Values Mean.

double difftime (time_t time1, time_t time0)

`time.h' (ISO): section Simple Calendar Time.

DIR

`dirent.h' (POSIX.1): section Opening a Directory Stream.

div_t div (int numerator, int denominator)

`stdlib.h' (ISO): section Integer Division.

div_t

`stdlib.h' (ISO): section Integer Division.

double drem (double numerator, double denominator)

`math.h' (BSD): section Rounding and Remainder Functions.

int dup2 (int old, int new)

`unistd.h' (POSIX.1): section Duplicating Descriptors.

int dup (int old)

`unistd.h' (POSIX.1): section Duplicating Descriptors.

int E2BIG

`errno.h' (POSIX.1: Argument list too long): section Error Codes.

int EACCES

`errno.h' (POSIX.1: Permission denied): section Error Codes.

int EADDRINUSE

`errno.h' (BSD: Address already in use): section Error Codes.

int EADDRNOTAVAIL

`errno.h' (BSD: Cannot assign requested address): section Error Codes.

int EADV

`errno.h' (Linux???: Advertise error): section Error Codes.

int EAFNOSUPPORT

`errno.h' (BSD: Address family not supported by protocol): section Error Codes.

int EAGAIN

`errno.h' (POSIX.1: Resource temporarily unavailable): section Error Codes.

int EALREADY

`errno.h' (BSD: Operation already in progress): section Error Codes.

int EAUTH

`errno.h' (BSD: Authentication error): section Error Codes.

int EBACKGROUND

`errno.h' (GNU: Inappropriate operation for background process): section Error Codes.

int EBADE

`errno.h' (Linux???: Invalid exchange): section Error Codes.

int EBADFD

`errno.h' (Linux???: File descriptor in bad state): section Error Codes.

int EBADF

`errno.h' (POSIX.1: Bad file descriptor): section Error Codes.

int EBADMSG

`errno.h' (XOPEN: Bad message): section Error Codes.

int EBADR

`errno.h' (Linux???: Invalid request descriptor): section Error Codes.

int EBADRPC

`errno.h' (BSD: RPC struct is bad): section Error Codes.

int EBADRQC

`errno.h' (Linux???: Invalid request code): section Error Codes.

int EBADSLT

`errno.h' (Linux???: Invalid slot): section Error Codes.

int EBFONT

`errno.h' (Linux???: Bad font file format): section Error Codes.

int EBUSY

`errno.h' (POSIX.1: Device or resource busy): section Error Codes.

int ECHILD

`errno.h' (POSIX.1: No child processes): section Error Codes.

tcflag_t ECHOCTL

`termios.h' (BSD): section Local Modes.

tcflag_t ECHOE

`termios.h' (POSIX.1): section Local Modes.

tcflag_t ECHO

`termios.h' (POSIX.1): section Local Modes.

tcflag_t ECHOKE

`termios.h' (BSD): section Local Modes.

tcflag_t ECHOK

`termios.h' (POSIX.1): section Local Modes.

tcflag_t ECHONL

`termios.h' (POSIX.1): section Local Modes.

tcflag_t ECHOPRT

`termios.h' (BSD): section Local Modes.

int ECHRNG

`errno.h' (Linux???: Channel number out of range): section Error Codes.

int ECOMM

`errno.h' (Linux???: Communication error on send): section Error Codes.

int ECONNABORTED

`errno.h' (BSD: Software caused connection abort): section Error Codes.

int ECONNREFUSED

`errno.h' (BSD: Connection refused): section Error Codes.

int ECONNRESET

`errno.h' (BSD: Connection reset by peer): section Error Codes.

int EDEADLK

`errno.h' (POSIX.1: Resource deadlock avoided): section Error Codes.

int EDEADLOCK

`errno.h' (Linux???: File locking deadlock error): section Error Codes.

int EDESTADDRREQ

`errno.h' (BSD: Destination address required): section Error Codes.

int EDIED

`errno.h' (GNU: Translator died): section Error Codes.

int ED

`errno.h' (GNU: ?): section Error Codes.

int EDOM

`errno.h' (ISO: Numerical argument out of domain): section Error Codes.

int EDOTDOT

`errno.h' (Linux???: RFS specific error): section Error Codes.

int EDQUOT

`errno.h' (BSD: Disc quota exceeded): section Error Codes.

int EEXIST

`errno.h' (POSIX.1: File exists): section Error Codes.

int EFAULT

`errno.h' (POSIX.1: Bad address): section Error Codes.

int EFBIG

`errno.h' (POSIX.1: File too large): section Error Codes.

int EFTYPE

`errno.h' (BSD: Inappropriate file type or format): section Error Codes.

int EGRATUITOUS

`errno.h' (GNU: Gratuitous error): section Error Codes.

int EGREGIOUS

`errno.h' (GNU: You really blew it this time): section Error Codes.

int EHOSTDOWN

`errno.h' (BSD: Host is down): section Error Codes.

int EHOSTUNREACH

`errno.h' (BSD: No route to host): section Error Codes.

int EIDRM

`errno.h' (XOPEN: Identifier removed): section Error Codes.

int EIEIO

`errno.h' (GNU: Computer bought the farm): section Error Codes.

int EILSEQ

`errno.h' (ISO: Invalid or incomplete multibyte or wide character): section Error Codes.

int EINPROGRESS

`errno.h' (BSD: Operation now in progress): section Error Codes.

int EINTR

`errno.h' (POSIX.1: Interrupted system call): section Error Codes.

int EINVAL

`errno.h' (POSIX.1: Invalid argument): section Error Codes.

int EIO

`errno.h' (POSIX.1: Input/output error): section Error Codes.

int EISCONN

`errno.h' (BSD: Transport endpoint is already connected): section Error Codes.

int EISDIR

`errno.h' (POSIX.1: Is a directory): section Error Codes.

int EISNAM

`errno.h' (Linux???: Is a named type file): section Error Codes.

int EL2HLT

`errno.h' (Linux???: Level 2 halted): section Error Codes.

int EL2NSYNC

`errno.h' (Linux???: Level 2 not synchronized): section Error Codes.

int EL3HLT

`errno.h' (Linux???: Level 3 halted): section Error Codes.

int EL3RST

`errno.h' (Linux???: Level 3 reset): section Error Codes.

int ELIBACC

`errno.h' (Linux???: Can not access a needed shared library): section Error Codes.

int ELIBBAD

`errno.h' (Linux???: Accessing a corrupted shared library): section Error Codes.

int ELIBEXEC

`errno.h' (Linux???: Cannot exec a shared library directly): section Error Codes.

int ELIBMAX

`errno.h' (Linux???: Attempting to link in too many shared libraries): section Error Codes.

int ELIBSCN

`errno.h' (Linux???: .lib section in a.out corrupted): section Error Codes.

int ELNRNG

`errno.h' (Linux???: Link number out of range): section Error Codes.

int ELOOP

`errno.h' (BSD: Too many levels of symbolic links): section Error Codes.

int EMEDIUMTYPE

`errno.h' (Linux???: Wrong medium type): section Error Codes.

int EMFILE

`errno.h' (POSIX.1: Too many open files): section Error Codes.

int EMLINK

`errno.h' (POSIX.1: Too many links): section Error Codes.

int EMSGSIZE

`errno.h' (BSD: Message too long): section Error Codes.

int EMULTIHOP

`errno.h' (XOPEN: Multihop attempted): section Error Codes.

int ENAMETOOLONG

`errno.h' (POSIX.1: File name too long): section Error Codes.

int ENAVAIL

`errno.h' (Linux???: No XENIX semaphores available): section Error Codes.

void endgrent (void)

`grp.h' (SVID, BSD): section Scanning the List of All Groups.

void endhostent ()

`netdb.h' (BSD): section Host Names.

void endnetent (void)

`netdb.h' (BSD): section Networks Database.

void endnetgrent (void)

`netdb.h' (netdb.h): section Looking up one Netgroup.

void endprotoent (void)

`netdb.h' (BSD): section Protocols Database.

void endpwent (void)

`pwd.h' (SVID, BSD): section Scanning the List of All Users.

void endservent (void)

`netdb.h' (BSD): section The Services Database.

int ENEEDAUTH

`errno.h' (BSD: Need authenticator): section Error Codes.

int ENETDOWN

`errno.h' (BSD: Network is down): section Error Codes.

int ENETRESET

`errno.h' (BSD: Network dropped connection on reset): section Error Codes.

int ENETUNREACH

`errno.h' (BSD: Network is unreachable): section Error Codes.

int ENFILE

`errno.h' (POSIX.1: Too many open files in system): section Error Codes.

int ENOANO

`errno.h' (Linux???: No anode): section Error Codes.

int ENOBUFS

`errno.h' (BSD: No buffer space available): section Error Codes.

int ENOCSI

`errno.h' (Linux???: No CSI structure available): section Error Codes.

int ENODATA

`errno.h' (XOPEN: No data available): section Error Codes.

int ENODEV

`errno.h' (POSIX.1: Operation not supported by device): section Error Codes.

int ENOENT

`errno.h' (POSIX.1: No such file or directory): section Error Codes.

int ENOEXEC

`errno.h' (POSIX.1: Exec format error): section Error Codes.

int ENOLCK

`errno.h' (POSIX.1: No locks available): section Error Codes.

int ENOLINK

`errno.h' (XOPEN: Link has been severed): section Error Codes.

int ENOMEDIUM

`errno.h' (Linux???: No medium found): section Error Codes.

int ENOMEM

`errno.h' (POSIX.1: Cannot allocate memory): section Error Codes.

int ENOMSG

`errno.h' (XOPEN: No message of desired type): section Error Codes.

int ENONET

`errno.h' (Linux???: Machine is not on the network): section Error Codes.

int ENOPKG

`errno.h' (Linux???: Package not installed): section Error Codes.

int ENOPROTOOPT

`errno.h' (BSD: Protocol not available): section Error Codes.

int ENOSPC

`errno.h' (POSIX.1: No space left on device): section Error Codes.

int ENOSR

`errno.h' (XOPEN: Out of streams resources): section Error Codes.

int ENOSTR

`errno.h' (XOPEN: Device not a stream): section Error Codes.

int ENOSYS

`errno.h' (POSIX.1: Function not implemented): section Error Codes.

int ENOTBLK

`errno.h' (BSD: Block device required): section Error Codes.

int ENOTCONN

`errno.h' (BSD: Transport endpoint is not connected): section Error Codes.

int ENOTDIR

`errno.h' (POSIX.1: Not a directory): section Error Codes.

int ENOTEMPTY

`errno.h' (POSIX.1: Directory not empty): section Error Codes.

int ENOTNAM

`errno.h' (Linux???: Not a XENIX named type file): section Error Codes.

int ENOTSOCK

`errno.h' (BSD: Socket operation on non-socket): section Error Codes.

int ENOTTY

`errno.h' (POSIX.1: Inappropriate ioctl for device): section Error Codes.

int ENOTUNIQ

`errno.h' (Linux???: Name not unique on network): section Error Codes.

char ** environ

`unistd.h' (POSIX.1): section Environment Access.

int ENXIO

`errno.h' (POSIX.1: Device not configured): section Error Codes.

int EOF

`stdio.h' (ISO): section End-Of-File and Errors.

int EOPNOTSUPP

`errno.h' (BSD: Operation not supported): section Error Codes.

int EOVERFLOW

`errno.h' (XOPEN: Value too large for defined data type): section Error Codes.

int EPERM

`errno.h' (POSIX.1: Operation not permitted): section Error Codes.

int EPFNOSUPPORT

`errno.h' (BSD: Protocol family not supported): section Error Codes.

int EPIPE

`errno.h' (POSIX.1: Broken pipe): section Error Codes.

int EPROCLIM

`errno.h' (BSD: Too many processes): section Error Codes.

int EPROCUNAVAIL

`errno.h' (BSD: RPC bad procedure for program): section Error Codes.

int EPROGMISMATCH

`errno.h' (BSD: RPC program version wrong): section Error Codes.

int EPROGUNAVAIL

`errno.h' (BSD: RPC program not available): section Error Codes.

int EPROTO

`errno.h' (XOPEN: Protocol error): section Error Codes.

int EPROTONOSUPPORT

`errno.h' (BSD: Protocol not supported): section Error Codes.

int EPROTOTYPE

`errno.h' (BSD: Protocol wrong type for socket): section Error Codes.

int EQUIV_CLASS_MAX

`limits.h' (POSIX.2): section Utility Program Capacity Limits.

int ERANGE

`errno.h' (ISO: Numerical result out of range): section Error Codes.

int EREMCHG

`errno.h' (Linux???: Remote address changed): section Error Codes.

int EREMOTEIO

`errno.h' (Linux???: Remote I/O error): section Error Codes.

int EREMOTE

`errno.h' (BSD: Object is remote): section Error Codes.

int ERESTART

`errno.h' (Linux???: Interrupted system call should be restarted): section Error Codes.

int EROFS

`errno.h' (POSIX.1: Read-only file system): section Error Codes.

int ERPCMISMATCH

`errno.h' (BSD: RPC version wrong): section Error Codes.

volatile int errno

`errno.h' (ISO): section Checking for Errors.

int ESHUTDOWN

`errno.h' (BSD: Cannot send after transport endpoint shutdown): section Error Codes.

int ESOCKTNOSUPPORT

`errno.h' (BSD: Socket type not supported): section Error Codes.

int ESPIPE

`errno.h' (POSIX.1: Illegal seek): section Error Codes.

int ESRCH

`errno.h' (POSIX.1: No such process): section Error Codes.

int ESRMNT

`errno.h' (Linux???: Srmount error): section Error Codes.

int ESTALE

`errno.h' (BSD: Stale NFS file handle): section Error Codes.

int ESTRPIPE

`errno.h' (Linux???: Streams pipe error): section Error Codes.

int ETIMEDOUT

`errno.h' (BSD: Connection timed out): section Error Codes.

int ETIME

`errno.h' (XOPEN: Timer expired): section Error Codes.

int ETOOMANYREFS

`errno.h' (BSD: Too many references: cannot splice): section Error Codes.

int ETXTBSY

`errno.h' (BSD: Text file busy): section Error Codes.

int EUCLEAN

`errno.h' (Linux???: Structure needs cleaning): section Error Codes.

int EUNATCH

`errno.h' (Linux???: Protocol driver not attached): section Error Codes.

int EUSERS

`errno.h' (BSD: Too many users): section Error Codes.

int EWOULDBLOCK

`errno.h' (BSD: Operation would block): section Error Codes.

int EXDEV

`errno.h' (POSIX.1: Invalid cross-device link): section Error Codes.

int execle (const char *filename, const char *arg0, char *const env[], ...)

`unistd.h' (POSIX.1): section Executing a File.

int execl (const char *filename, const char *arg0, ...)

`unistd.h' (POSIX.1): section Executing a File.

int execlp (const char *filename, const char *arg0, ...)

`unistd.h' (POSIX.1): section Executing a File.

int execve (const char *filename, char *const argv[], char *const env[])

`unistd.h' (POSIX.1): section Executing a File.

int execv (const char *filename, char *const argv[])

`unistd.h' (POSIX.1): section Executing a File.

int execvp (const char *filename, char *const argv[])

`unistd.h' (POSIX.1): section Executing a File.

int EXFULL

`errno.h' (Linux???: Exchange full): section Error Codes.

int EXIT_FAILURE

`stdlib.h' (ISO): section Exit Status.

void _exit (int status)

`unistd.h' (POSIX.1): section Termination Internals.

void exit (int status)

`stdlib.h' (ISO): section Normal Termination.

int EXIT_SUCCESS

`stdlib.h' (ISO): section Exit Status.

double exp (double x)

`math.h' (ISO): section Exponentiation and Logarithms.

double expm1 (double x)

`math.h' (BSD): section Exponentiation and Logarithms.

int EXPR_NEST_MAX

`limits.h' (POSIX.2): section Utility Program Capacity Limits.

double fabs (double number)

`math.h' (ISO): section Absolute Value.

int fchmod (int filedes, int mode)

`sys/stat.h' (BSD): section Assigning File Permissions.

int fchown (int filedes, int owner, int group)

`unistd.h' (BSD): section File Owner.

int fclean (FILE *stream)

`stdio.h' (GNU): section Cleaning Streams.

int fcloseall (void)

`stdio.h' (GNU): section Closing Streams.

int fclose (FILE *stream)

`stdio.h' (ISO): section Closing Streams.

int fcntl (int filedes, int command, ...)

`fcntl.h' (POSIX.1): section Control Operations on Files.

int FD_CLOEXEC

`fcntl.h' (POSIX.1): section File Descriptor Flags.

void FD_CLR (int filedes, fd_set *set)

`sys/types.h' (BSD): section Waiting for Input or Output.

int FD_ISSET (int filedes, fd_set *set)

`sys/types.h' (BSD): section Waiting for Input or Output.

FILE * fdopen (int filedes, const char *opentype)

`stdio.h' (POSIX.1): section Descriptors and Streams.

void FD_SET (int filedes, fd_set *set)

`sys/types.h' (BSD): section Waiting for Input or Output.

fd_set

`sys/types.h' (BSD): section Waiting for Input or Output.

int FD_SETSIZE

`sys/types.h' (BSD): section Waiting for Input or Output.

int F_DUPFD

`fcntl.h' (POSIX.1): section Duplicating Descriptors.

void FD_ZERO (fd_set *set)

`sys/types.h' (BSD): section Waiting for Input or Output.

int feof (FILE *stream)

`stdio.h' (ISO): section End-Of-File and Errors.

int ferror (FILE *stream)

`stdio.h' (ISO): section End-Of-File and Errors.

int fflush (FILE *stream)

`stdio.h' (ISO): section Flushing Buffers.

int fgetc (FILE *stream)

`stdio.h' (ISO): section Character Input.

int F_GETFD

`fcntl.h' (POSIX.1): section File Descriptor Flags.

int F_GETFL

`fcntl.h' (POSIX.1): section Getting and Setting File Status Flags.

struct group * fgetgrent (FILE *stream)

`grp.h' (SVID): section Scanning the List of All Groups.

int fgetgrent_r (FILE *stream, struct group *result_buf, char *buffer, size_t buflen, struct group **result)

`grp.h' (GNU): section Scanning the List of All Groups.

int F_GETLK

`fcntl.h' (POSIX.1): section File Locks.

int F_GETOWN

`fcntl.h' (BSD): section Interrupt-Driven Input.

int fgetpos (FILE *stream, fpos_t *position)

`stdio.h' (ISO): section Portable File-Position Functions.

struct passwd * fgetpwent (FILE *stream)

`pwd.h' (SVID): section Scanning the List of All Users.

int fgetpwent_r (FILE *stream, struct passwd *result_buf, char *buffer, size_t buflen, struct passwd **result)

`pwd.h' (GNU): section Scanning the List of All Users.

char * fgets (char *s, int count, FILE *stream)

`stdio.h' (ISO): section Line-Oriented Input.

FILE

`stdio.h' (ISO): section Streams.

int FILENAME_MAX

`stdio.h' (ISO): section Limits on File System Capacity.

int fileno (FILE *stream)

`stdio.h' (POSIX.1): section Descriptors and Streams.

int finite (double x)

`math.h' (BSD): section Predicates on Floats.

double floor (double x)

`math.h' (ISO): section Rounding and Remainder Functions.

FLT_DIG

`float.h' (ISO): section Floating Point Parameters.

FLT_EPSILON

`float.h' (ISO): section Floating Point Parameters.

FLT_MANT_DIG

`float.h' (ISO): section Floating Point Parameters.

FLT_MAX_10_EXP

`float.h' (ISO): section Floating Point Parameters.

FLT_MAX_EXP

`float.h' (ISO): section Floating Point Parameters.

FLT_MAX

`float.h' (ISO): section Floating Point Parameters.

FLT_MIN_10_EXP

`float.h' (ISO): section Floating Point Parameters.

FLT_MIN_EXP

`float.h' (ISO): section Floating Point Parameters.

FLT_MIN

`float.h' (ISO): section Floating Point Parameters.

FLT_RADIX

`float.h' (ISO): section Floating Point Parameters.

FLT_ROUNDS

`float.h' (ISO): section Floating Point Parameters.

tcflag_t FLUSHO

`termios.h' (BSD): section Local Modes.

FILE * fmemopen (void *buf, size_t size, const char *opentype)

`stdio.h' (GNU): section String Streams.

double fmod (double numerator, double denominator)

`math.h' (ISO): section Rounding and Remainder Functions.

int fnmatch (const char *pattern, const char *string, int flags)

`fnmatch.h' (POSIX.2): section Wildcard Matching.

FNM_CASEFOLD

`fnmatch.h' (GNU): section Wildcard Matching.

FNM_FILE_NAME

`fnmatch.h' (GNU): section Wildcard Matching.

FNM_LEADING_DIR

`fnmatch.h' (GNU): section Wildcard Matching.

FNM_NOESCAPE

`fnmatch.h' (POSIX.2): section Wildcard Matching.

FNM_PATHNAME

`fnmatch.h' (POSIX.2): section Wildcard Matching.

FNM_PERIOD

`fnmatch.h' (POSIX.2): section Wildcard Matching.

int F_OK

`unistd.h' (POSIX.1): section Testing Permission to Access a File.

FILE * fopencookie (void *cookie, const char *opentype, cookie_io_functions_t io-functions)

`stdio.h' (GNU): section Custom Streams and Cookies.

FILE * fopen (const char *filename, const char *opentype)

`stdio.h' (ISO): section Opening Streams.

int FOPEN_MAX

`stdio.h' (ISO): section Opening Streams.

pid_t fork (void)

`unistd.h' (POSIX.1): section Creating a Process.

long int fpathconf (int filedes, int parameter)

`unistd.h' (POSIX.1): section Using pathconf.

FPE_DECOVF_TRAP

`signal.h' (BSD): section Program Error Signals.

FPE_FLTDIV_FAULT

`signal.h' (BSD): section Program Error Signals.

FPE_FLTDIV_TRAP

`signal.h' (BSD): section Program Error Signals.

FPE_FLTOVF_FAULT

`signal.h' (BSD): section Program Error Signals.

FPE_FLTOVF_TRAP

`signal.h' (BSD): section Program Error Signals.

FPE_FLTUND_FAULT

`signal.h' (BSD): section Program Error Signals.

FPE_FLTUND_TRAP

`signal.h' (BSD): section Program Error Signals.

FPE_INTDIV_TRAP

`signal.h' (BSD): section Program Error Signals.

FPE_INTOVF_TRAP

`signal.h' (BSD): section Program Error Signals.

FPE_SUBRNG_TRAP

`signal.h' (BSD): section Program Error Signals.

fpos_t

`stdio.h' (ISO): section Portable File-Position Functions.

int fprintf (FILE *stream, const char *template, ...)

`stdio.h' (ISO): section Formatted Output Functions.

int fputc (int c, FILE *stream)

`stdio.h' (ISO): section Simple Output by Characters or Lines.

int fputs (const char *s, FILE *stream)

`stdio.h' (ISO): section Simple Output by Characters or Lines.

F_RDLCK

`fcntl.h' (POSIX.1): section File Locks.

size_t fread (void *data, size_t size, size_t count, FILE *stream)

`stdio.h' (ISO): section Block Input/Output.

__free_hook

`malloc.h' (GNU): section Storage Allocation Hooks.

void free (void *ptr)

`malloc.h', `stdlib.h' (ISO): section Freeing Memory Allocated with malloc.

FILE * freopen (const char *filename, const char *opentype, FILE *stream)

`stdio.h' (ISO): section Opening Streams.

double frexp (double value, int *exponent)

`math.h' (ISO): section Normalization Functions.

int fscanf (FILE *stream, const char *template, ...)

`stdio.h' (ISO): section Formatted Input Functions.

int fseek (FILE *stream, long int offset, int whence)

`stdio.h' (ISO): section File Positioning.

int F_SETFD

`fcntl.h' (POSIX.1): section File Descriptor Flags.

int F_SETFL

`fcntl.h' (POSIX.1): section Getting and Setting File Status Flags.

int F_SETLK

`fcntl.h' (POSIX.1): section File Locks.

int F_SETLKW

`fcntl.h' (POSIX.1): section File Locks.

int F_SETOWN

`fcntl.h' (BSD): section Interrupt-Driven Input.

int fsetpos (FILE *stream, const fpos_t position)

`stdio.h' (ISO): section Portable File-Position Functions.

int fstat (int filedes, struct stat *buf)

`sys/stat.h' (POSIX.1): section Reading the Attributes of a File.

long int ftell (FILE *stream)

`stdio.h' (ISO): section File Positioning.

F_UNLCK

`fcntl.h' (POSIX.1): section File Locks.

size_t fwrite (const void *data, size_t size, size_t count, FILE *stream)

`stdio.h' (ISO): section Block Input/Output.

F_WRLCK

`fcntl.h' (POSIX.1): section File Locks.

int getchar (void)

`stdio.h' (ISO): section Character Input.

int getc (FILE *stream)

`stdio.h' (ISO): section Character Input.

char * getcwd (char *buffer, size_t size)

`unistd.h' (POSIX.1): section Working Directory.

ssize_t getdelim (char **lineptr, size_t *n, int delimiter, FILE *stream)

`stdio.h' (GNU): section Line-Oriented Input.

gid_t getegid (void)

`unistd.h' (POSIX.1): section Reading the Persona of a Process.

char * getenv (const char *name)

`stdlib.h' (ISO): section Environment Access.

uid_t geteuid (void)

`unistd.h' (POSIX.1): section Reading the Persona of a Process.

gid_t getgid (void)

`unistd.h' (POSIX.1): section Reading the Persona of a Process.

struct group * getgrent (void)

`grp.h' (SVID, BSD): section Scanning the List of All Groups.

int getgrent_r (struct group *result_buf, char *buffer, size_t buflen, struct group **result)

`grp.h' (GNU): section Scanning the List of All Groups.

struct group * getgrgid (gid_t gid)

`grp.h' (POSIX.1): section Looking Up One Group.

int getgrgid_r (gid_t gid, struct group *result_buf, char *buffer, size_t buflen, struct group **result)

`grp.h' (POSIX.1c): section Looking Up One Group.

struct group * getgrnam (const char *name)

`grp.h' (SVID, BSD): section Looking Up One Group.

int getgrnam_r (const char *name, struct group *result_buf, char *buffer, size_t buflen, struct group **result)

`grp.h' (POSIX.1c): section Looking Up One Group.

int getgroups (int count, gid_t *groups)

`unistd.h' (POSIX.1): section Reading the Persona of a Process.

struct hostent * gethostbyaddr (const char *addr, int length, int format)

`netdb.h' (BSD): section Host Names.

struct hostent * gethostbyname2 (const char *name, int af)

`netdb.h' (IPv6 Basic API): section Host Names.

struct hostent * gethostbyname (const char *name)

`netdb.h' (BSD): section Host Names.

struct hostent * gethostent ()

`netdb.h' (BSD): section Host Names.

long int gethostid (void)

`unistd.h' (BSD): section Host Identification.

int gethostname (char *name, size_t size)

`unistd.h' (BSD): section Host Identification.

int getitimer (int which, struct itimerval *old)

`sys/time.h' (BSD): section Setting an Alarm.

ssize_t getline (char **lineptr, size_t *n, FILE *stream)

`stdio.h' (GNU): section Line-Oriented Input.

char * getlogin (void)

`unistd.h' (POSIX.1): section Identifying Who Logged In.

struct netent * getnetbyaddr (long net, int type)

`netdb.h' (BSD): section Networks Database.

struct netent * getnetbyname (const char *name)

`netdb.h' (BSD): section Networks Database.

struct netent * getnetent (void)

`netdb.h' (BSD): section Networks Database.

int getnetgrent (char **hostp, char **userp, char **domainp)

`netdb.h' (netdb.h): section Looking up one Netgroup.

int getnetgrent_r (char **hostp, char **userp, char **domainp, char *buffer, int buflen)

`netdb.h' (netdb.h): section Looking up one Netgroup.

int getopt (int argc, char **argv, const char *options)

`unistd.h' (POSIX.2): section Parsing Program Options.

int getopt_long (int argc, char **argv, const char *shortopts, struct option *longopts, int *indexptr)

`getopt.h' (GNU): section Parsing Long Options.

int getpeername (int socket, struct sockaddr *addr, size_t *length-ptr)

`sys/socket.h' (BSD): section Who is Connected to Me?.

pid_t getpgrp (pid_t pid)

`unistd.h' (BSD): section Process Group Functions.

pid_t getpgrp (void)

`unistd.h' (POSIX.1): section Process Group Functions.

pid_t getpid (void)

`unistd.h' (POSIX.1): section Process Identification.

pid_t getppid (void)

`unistd.h' (POSIX.1): section Process Identification.

int getpriority (int class, int id)

`sys/resource.h' (BSD): section Process Priority.

struct protoent * getprotobyname (const char *name)

`netdb.h' (BSD): section Protocols Database.

struct protoent * getprotobynumber (int protocol)

`netdb.h' (BSD): section Protocols Database.

struct protoent * getprotoent (void)

`netdb.h' (BSD): section Protocols Database.

struct passwd * getpwent (void)

`pwd.h' (POSIX.1): section Scanning the List of All Users.

int getpwent_r (struct passwd *result_buf, char *buffer, int buflen, struct passwd **result)

`pwd.h' (GNU): section Scanning the List of All Users.

struct passwd * getpwnam (const char *name)

`pwd.h' (POSIX.1): section Looking Up One User.

int getpwnam_r (const char *name, struct passwd *result_buf, char *buffer, size_t buflen, struct passwd **result)

`pwd.h' (POSIX.1c): section Looking Up One User.

struct passwd * getpwuid (uid_t uid)

`pwd.h' (POSIX.1): section Looking Up One User.

int getpwuid_r (uid_t uid, struct passwd *result_buf, char *buffer, size_t buflen, struct passwd **result)

`pwd.h' (POSIX.1c): section Looking Up One User.

int getrlimit (int resource, struct rlimit *rlp)

`sys/resource.h' (BSD): section Limiting Resource Usage.

int getrusage (int processes, struct rusage *rusage)

`sys/resource.h' (BSD): section Resource Usage.

struct servent * getservbyname (const char *name, const char *proto)

`netdb.h' (BSD): section The Services Database.

struct servent * getservbyport (int port, const char *proto)

`netdb.h' (BSD): section The Services Database.

struct servent * getservent (void)

`netdb.h' (BSD): section The Services Database.

char * gets (char *s)

`stdio.h' (ISO): section Line-Oriented Input.

int getsockname (int socket, struct sockaddr *addr, socklen_t *length-ptr)

`sys/socket.h' (BSD): section Reading the Address of a Socket.

int getsockopt (int socket, int level, int optname, void *optval, socklen_t *optlen-ptr)

`sys/socket.h' (BSD): section Socket Option Functions.

int getsubopt (char **optionp, const char* const *tokens, char **valuep)

`stdlib.h' (stdlib.h): section Parsing of Suboptions.

int gettimeofday (struct timeval *tp, struct timezone *tzp)

`sys/time.h' (BSD): section High-Resolution Calendar.

uid_t getuid (void)

`unistd.h' (POSIX.1): section Reading the Persona of a Process.

mode_t getumask (void)

`sys/stat.h' (GNU): section Assigning File Permissions.

char * getwd (char *buffer)

`unistd.h' (BSD): section Working Directory.

int getw (FILE *stream)

`stdio.h' (SVID): section Character Input.

gid_t

`sys/types.h' (POSIX.1): section Reading the Persona of a Process.

GLOB_ABORTED

`glob.h' (POSIX.2): section Calling glob.

GLOB_APPEND

`glob.h' (POSIX.2): section Flags for Globbing.

GLOB_DOOFFS

`glob.h' (POSIX.2): section Flags for Globbing.

GLOB_ERR

`glob.h' (POSIX.2): section Flags for Globbing.

int glob (const char *pattern, int flags, int (*errfunc) (const char *filename, int error-code), glob_t *vector-ptr)

`glob.h' (POSIX.2): section Calling glob.

GLOB_MARK

`glob.h' (POSIX.2): section Flags for Globbing.

GLOB_NOCHECK

`glob.h' (POSIX.2): section Flags for Globbing.

GLOB_NOESCAPE

`glob.h' (POSIX.2): section Flags for Globbing.

GLOB_NOMATCH

`glob.h' (POSIX.2): section Calling glob.

GLOB_NOSORT

`glob.h' (POSIX.2): section Flags for Globbing.

GLOB_NOSPACE

`glob.h' (POSIX.2): section Calling glob.

glob_t

`glob.h' (POSIX.2): section Calling glob.

struct tm * gmtime (const time_t *time)

`time.h' (ISO): section Broken-down Time.

_GNU_SOURCE

(GNU): section Feature Test Macros.

int gsignal (int signum)

`signal.h' (SVID): section Signaling Yourself.

HOST_NOT_FOUND

`netdb.h' (BSD): section Host Names.

unsigned long int htonl (unsigned long int hostlong)

`netinet/in.h' (BSD): section Byte Order Conversion.

unsigned short int htons (unsigned short int hostshort)

`netinet/in.h' (BSD): section Byte Order Conversion.

float HUGE_VALf

`math.h' (GNU): section Domain and Range Errors.

double HUGE_VAL

`math.h' (ISO): section Domain and Range Errors.

long double HUGE_VALl

`math.h' (GNU): section Domain and Range Errors.

tcflag_t HUPCL

`termios.h' (POSIX.1): section Control Modes.

double hypot (double x, double y)

`math.h' (BSD): section Exponentiation and Logarithms.

tcflag_t ICANON

`termios.h' (POSIX.1): section Local Modes.

tcflag_t ICRNL

`termios.h' (POSIX.1): section Input Modes.

tcflag_t IEXTEN

`termios.h' (POSIX.1): section Local Modes.

tcflag_t IGNBRK

`termios.h' (POSIX.1): section Input Modes.

tcflag_t IGNCR

`termios.h' (POSIX.1): section Input Modes.

tcflag_t IGNPAR

`termios.h' (POSIX.1): section Input Modes.

tcflag_t IMAXBEL

`termios.h' (BSD): section Input Modes.

struct in6_addr in6addr_any

`netinet/in.h' (IPv6 basic API): section Host Address Data Type.

struct in6_addr in6addr_loopback.

`netinet/in.h' (IPv6 basic API): section Host Address Data Type.

unsigned int INADDR_ANY

`netinet/in.h' (BSD): section Host Address Data Type.

unsigned int INADDR_BROADCAST

`netinet/in.h' (BSD): section Host Address Data Type.

unsigned int INADDR_LOOPBACK

`netinet/in.h' (BSD): section Host Address Data Type.

unsigned int INADDR_NONE

`netinet/in.h' (BSD): section Host Address Data Type.

char * index (const char *string, int c)

`string.h' (BSD): section Search Functions.

unsigned long int inet_addr (const char *name)

`arpa/inet.h' (BSD): section Host Address Functions.

int inet_aton (const char *name, struct in_addr *addr)

`arpa/inet.h' (BSD): section Host Address Functions.

int inet_lnaof (struct in_addr addr)

`arpa/inet.h' (BSD): section Host Address Functions.

struct in_addr inet_makeaddr (int net, int local)

`arpa/inet.h' (BSD): section Host Address Functions.

int inet_netof (struct in_addr addr)

`arpa/inet.h' (BSD): section Host Address Functions.

unsigned long int inet_network (const char *name)

`arpa/inet.h' (BSD): section Host Address Functions.

char * inet_ntoa (struct in_addr addr)

`arpa/inet.h' (BSD): section Host Address Functions.

char * inet_ntop (int af, const void *cp, char *buf, size_t len)

`arpa/inet.h' (IPv6 basic API): section Host Address Functions.

int inet_pton (int af, const char *cp, void *buf)

`arpa/inet.h' (IPv6 basic API): section Host Address Functions.

double infnan (int error)

`math.h' (BSD): section Predicates on Floats.

int initgroups (const char *user, gid_t gid)

`grp.h' (BSD): section Setting the Group IDs.

void * initstate (unsigned int seed, void *state, size_t size)

`stdlib.h' (BSD): section BSD Random Number Functions.

tcflag_t INLCR

`termios.h' (POSIX.1): section Input Modes.

int innetgr (const char *netgroup, const char *host, const char *user, const char *domain)

`netdb.h' (netdb.h): section Testing for Netgroup Membership.

ino_t

`sys/types.h' (POSIX.1): section What the File Attribute Values Mean.

tcflag_t INPCK

`termios.h' (POSIX.1): section Input Modes.

int RLIM_INFINITY

`sys/resource.h' (BSD): section Limiting Resource Usage.

INT_MAX

`limits.h' (ISO): section Range of an Integer Type.

INT_MIN

`limits.h' (ISO): section Range of an Integer Type.

int _IOFBF

`stdio.h' (ISO): section Controlling Which Kind of Buffering.

int _IOLBF

`stdio.h' (ISO): section Controlling Which Kind of Buffering.

int _IONBF

`stdio.h' (ISO): section Controlling Which Kind of Buffering.

int IPPORT_RESERVED

`netinet/in.h' (BSD): section Internet Ports.

int IPPORT_USERRESERVED

`netinet/in.h' (BSD): section Internet Ports.

int isalnum (int c)

`ctype.h' (ISO): section Classification of Characters.

int isalpha (int c)

`ctype.h' (ISO): section Classification of Characters.

int isascii (int c)

`ctype.h' (SVID, BSD): section Classification of Characters.

int isatty (int filedes)

`unistd.h' (POSIX.1): section Identifying Terminals.

int isblank (int c)

`ctype.h' (GNU): section Classification of Characters.

int iscntrl (int c)

`ctype.h' (ISO): section Classification of Characters.

int isdigit (int c)

`ctype.h' (ISO): section Classification of Characters.

int isgraph (int c)

`ctype.h' (ISO): section Classification of Characters.

tcflag_t ISIG

`termios.h' (POSIX.1): section Local Modes.

int isinf (double x)

`math.h' (BSD): section Predicates on Floats.

int islower (int c)

`ctype.h' (ISO): section Classification of Characters.

int isnan (double x)

`math.h' (BSD): section Predicates on Floats.

int isprint (int c)

`ctype.h' (ISO): section Classification of Characters.

int ispunct (int c)

`ctype.h' (ISO): section Classification of Characters.

int isspace (int c)

`ctype.h' (ISO): section Classification of Characters.

tcflag_t ISTRIP

`termios.h' (POSIX.1): section Input Modes.

int isupper (int c)

`ctype.h' (ISO): section Classification of Characters.

int isxdigit (int c)

`ctype.h' (ISO): section Classification of Characters.

ITIMER_PROF

`sys/time.h' (BSD): section Setting an Alarm.

ITIMER_REAL

`sys/time.h' (BSD): section Setting an Alarm.

ITIMER_VIRTUAL

`sys/time.h' (BSD): section Setting an Alarm.

tcflag_t IXANY

`termios.h' (BSD): section Input Modes.

tcflag_t IXOFF

`termios.h' (POSIX.1): section Input Modes.

tcflag_t IXON

`termios.h' (POSIX.1): section Input Modes.

jmp_buf

`setjmp.h' (ISO): section Details of Non-Local Exits.

int kill (pid_t pid, int signum)

`signal.h' (POSIX.1): section Signaling Another Process.

int killpg (int pgid, int signum)

`signal.h' (BSD): section Signaling Another Process.

long int labs (long int number)

`stdlib.h' (ISO): section Absolute Value.

LANG

`locale.h' (ISO): section Categories of Activities that Locales Affect.

LC_ALL

`locale.h' (ISO): section Categories of Activities that Locales Affect.

LC_COLLATE

`locale.h' (ISO): section Categories of Activities that Locales Affect.

LC_CTYPE

`locale.h' (ISO): section Categories of Activities that Locales Affect.

LC_MESSAGES

`locale.h' (XOPEN): section Categories of Activities that Locales Affect.

LC_MONETARY

`locale.h' (ISO): section Categories of Activities that Locales Affect.

LC_NUMERIC

`locale.h' (ISO): section Categories of Activities that Locales Affect.

int L_ctermid

`stdio.h' (POSIX.1): section Identifying the Controlling Terminal.

LC_TIME

`locale.h' (ISO): section Categories of Activities that Locales Affect.

int L_cuserid

`stdio.h' (POSIX.1): section Identifying Who Logged In.

double ldexp (double value, int exponent)

`math.h' (ISO): section Normalization Functions.

ldiv_t ldiv (long int numerator, long int denominator)

`stdlib.h' (ISO): section Integer Division.

ldiv_t

`stdlib.h' (ISO): section Integer Division.

L_INCR

`sys/file.h' (BSD): section File Positioning.

int LINE_MAX

`limits.h' (POSIX.2): section Utility Program Capacity Limits.

int link (const char *oldname, const char *newname)

`unistd.h' (POSIX.1): section Hard Links.

int LINK_MAX

`limits.h' (POSIX.1): section Limits on File System Capacity.

int listen (int socket, unsigned int n)

`sys/socket.h' (BSD): section Listening for Connections.

struct lconv * localeconv (void)

`locale.h' (ISO): section Numeric Formatting.

struct tm * localtime (const time_t *time)

`time.h' (ISO): section Broken-down Time.

double log10 (double x)

`math.h' (ISO): section Exponentiation and Logarithms.

double log1p (double x)

`math.h' (BSD): section Exponentiation and Logarithms.

double logb (double x)

`math.h' (BSD): section Normalization Functions.

double log (double x)

`math.h' (ISO): section Exponentiation and Logarithms.

void longjmp (jmp_buf state, int value)

`setjmp.h' (ISO): section Details of Non-Local Exits.

LONG_LONG_MAX

`limits.h' (GNU): section Range of an Integer Type.

LONG_LONG_MIN

`limits.h' (GNU): section Range of an Integer Type.

LONG_MAX

`limits.h' (ISO): section Range of an Integer Type.

LONG_MIN

`limits.h' (ISO): section Range of an Integer Type.

off_t lseek (int filedes, off_t offset, int whence)

`unistd.h' (POSIX.1): section Setting the File Position of a Descriptor.

L_SET

`sys/file.h' (BSD): section File Positioning.

int lstat (const char *filename, struct stat *buf)

`sys/stat.h' (BSD): section Reading the Attributes of a File.

int L_tmpnam

`stdio.h' (ISO): section Temporary Files.

L_XTND

`sys/file.h' (BSD): section File Positioning.

struct mallinfo mallinfo (void)

`malloc.h' (SVID): section Statistics for Storage Allocation with malloc.

__malloc_hook

`malloc.h' (GNU): section Storage Allocation Hooks.

void * malloc (size_t size)

`malloc.h', `stdlib.h' (ISO): section Basic Storage Allocation.

int MAX_CANON

`limits.h' (POSIX.1): section Limits on File System Capacity.

int MAX_INPUT

`limits.h' (POSIX.1): section Limits on File System Capacity.

int MAXNAMLEN

`dirent.h' (BSD): section Limits on File System Capacity.

int MB_CUR_MAX

`stdlib.h' (ISO): section Multibyte Characters.

int mblen (const char *string, size_t size)

`stdlib.h' (ISO): section Multibyte Character Length.

int MB_LEN_MAX

`limits.h' (ISO): section Multibyte Characters.

size_t mbstowcs (wchar_t *wstring, const char *string, size_t size)

`stdlib.h' (ISO): section Conversion of Extended Strings.

int mbtowc (wchar_t *result, const char *string, size_t size)

`stdlib.h' (ISO): section Conversion of Extended Characters One by One.

int mcheck (void (*abortfn) (enum mcheck_status status))

`malloc.h' (GNU): section Heap Consistency Checking.

tcflag_t MDMBUF

`termios.h' (BSD): section Control Modes.

void * memalign (size_t boundary, size_t size)

`malloc.h', `stdlib.h' (BSD): section Allocating Aligned Memory Blocks.

void * memccpy (void *to, const void *from, int c, size_t size)

`string.h' (SVID): section Copying and Concatenation.

void * memchr (const void *block, int c, size_t size)

`string.h' (ISO): section Search Functions.

int memcmp (const void *a1, const void *a2, size_t size)

`string.h' (ISO): section String/Array Comparison.

void * memcpy (void *to, const void *from, size_t size)

`string.h' (ISO): section Copying and Concatenation.

void * memmem (const void *haystack, size_t haystack-len,
const void *needle, size_t needle-len)

`string.h' (GNU): section Search Functions.

void * memmove (void *to, const void *from, size_t size)

`string.h' (ISO): section Copying and Concatenation.

void * memset (void *block, int c, size_t size)

`string.h' (ISO): section Copying and Concatenation.

int mkdir (const char *filename, mode_t mode)

`sys/stat.h' (POSIX.1): section Creating Directories.

int mkfifo (const char *filename, mode_t mode)

`sys/stat.h' (POSIX.1): section FIFO Special Files.

int mknod (const char *filename, int mode, int dev)

`sys/stat.h' (BSD): section Making Special Files.

int mkstemp (char *template)

`unistd.h' (BSD): section Temporary Files.

char * mktemp (char *template)

`unistd.h' (Unix): section Temporary Files.

time_t mktime (struct tm *brokentime)

`time.h' (ISO): section Broken-down Time.

mode_t

`sys/types.h' (POSIX.1): section What the File Attribute Values Mean.

double modf (double value, double *integer-part)

`math.h' (ISO): section Rounding and Remainder Functions.

int MSG_DONTROUTE

`sys/socket.h' (BSD): section Socket Data Options.

int MSG_OOB

`sys/socket.h' (BSD): section Socket Data Options.

int MSG_PEEK

`sys/socket.h' (BSD): section Socket Data Options.

int NAME_MAX

`limits.h' (POSIX.1): section Limits on File System Capacity.

double NAN

`math.h' (GNU): section "Not a Number" Values.

int NCCS

`termios.h' (POSIX.1): section Terminal Mode Data Types.

int NGROUPS_MAX

`limits.h' (POSIX.1): section General Capacity Limits.

int nice (int increment)

`dunno.h' (dunno.h): section Process Priority.

nlink_t

`sys/types.h' (POSIX.1): section What the File Attribute Values Mean.

NO_ADDRESS

`netdb.h' (BSD): section Host Names.

tcflag_t NOFLSH

`termios.h' (POSIX.1): section Local Modes.

tcflag_t NOKERNINFO

`termios.h' (BSD): section Local Modes.

NO_RECOVERY

`netdb.h' (BSD): section Host Names.

int NSIG

`signal.h' (BSD): section Standard Signals.

unsigned long int ntohl (unsigned long int netlong)

`netinet/in.h' (BSD): section Byte Order Conversion.

unsigned short int ntohs (unsigned short int netshort)

`netinet/in.h' (BSD): section Byte Order Conversion.

void * NULL

`stddef.h' (ISO): section Null Pointer Constant.

int O_ACCMODE

`fcntl.h' (POSIX.1): section File Access Modes.

int O_APPEND

`fcntl.h' (POSIX.1): section I/O Operating Modes.

int O_ASYNC

`fcntl.h' (BSD): section I/O Operating Modes.

void obstack_1grow_fast (struct obstack *obstack-ptr, char c)

`obstack.h' (GNU): section Extra Fast Growing Objects.

void obstack_1grow (struct obstack *obstack-ptr, char c)

`obstack.h' (GNU): section Growing Objects.

int obstack_alignment_mask (struct obstack *obstack-ptr)

`obstack.h' (GNU): section Alignment of Data in Obstacks.

void * obstack_alloc (struct obstack *obstack-ptr, int size)

`obstack.h' (GNU): section Allocation in an Obstack.

void * obstack_base (struct obstack *obstack-ptr)

`obstack.h' (GNU): section Status of an Obstack.

void obstack_blank_fast (struct obstack *obstack-ptr, int size)

`obstack.h' (GNU): section Extra Fast Growing Objects.

void obstack_blank (struct obstack *obstack-ptr, int size)

`obstack.h' (GNU): section Growing Objects.

int obstack_chunk_size (struct obstack *obstack-ptr)

`obstack.h' (GNU): section Obstack Chunks.

void * obstack_copy0 (struct obstack *obstack-ptr, void *address, int size)

`obstack.h' (GNU): section Allocation in an Obstack.

void * obstack_copy (struct obstack *obstack-ptr, void *address, int size)

`obstack.h' (GNU): section Allocation in an Obstack.

void * obstack_finish (struct obstack *obstack-ptr)

`obstack.h' (GNU): section Growing Objects.

void obstack_free (struct obstack *obstack-ptr, void *object)

`obstack.h' (GNU): section Freeing Objects in an Obstack.

void obstack_grow0 (struct obstack *obstack-ptr, void *data, int size)

`obstack.h' (GNU): section Growing Objects.

void obstack_grow (struct obstack *obstack-ptr, void *data, int size)

`obstack.h' (GNU): section Growing Objects.

int obstack_init (struct obstack *obstack-ptr)

`obstack.h' (GNU): section Preparing for Using Obstacks.

void obstack_int_grow_fast (struct obstack *obstack-ptr, int data)

`obstack.h' (GNU): section Extra Fast Growing Objects.

void obstack_int_grow (struct obstack *obstack-ptr, int data)

`obstack.h' (GNU): section Growing Objects.

void * obstack_next_free (struct obstack *obstack-ptr)

`obstack.h' (GNU): section Status of an Obstack.

int obstack_object_size (struct obstack *obstack-ptr)

`obstack.h' (GNU): section Growing Objects.

int obstack_object_size (struct obstack *obstack-ptr)

`obstack.h' (GNU): section Status of an Obstack.

int obstack_printf (struct obstack *obstack, const char *template, ...)

`stdio.h' (GNU): section Dynamically Allocating Formatted Output.

void obstack_ptr_grow_fast (struct obstack *obstack-ptr, void *data)

`obstack.h' (GNU): section Extra Fast Growing Objects.

void obstack_ptr_grow (struct obstack *obstack-ptr, void *data)

`obstack.h' (GNU): section Growing Objects.

int obstack_room (struct obstack *obstack-ptr)

`obstack.h' (GNU): section Extra Fast Growing Objects.

int obstack_vprintf (struct obstack *obstack, const char *template, va_list ap)

`stdio.h' (GNU): section Variable Arguments Output Functions.

int O_CREAT

`fcntl.h' (POSIX.1): section Open-time Flags.

int O_EXCL

`fcntl.h' (POSIX.1): section Open-time Flags.

int O_EXEC

`fcntl.h' (GNU): section File Access Modes.

int O_EXLOCK

`fcntl.h' (BSD): section Open-time Flags.

size_t offsetof (type, member)

`stddef.h' (ISO): section Structure Field Offset Measurement.

off_t

`sys/types.h' (POSIX.1): section Setting the File Position of a Descriptor.

int O_FSYNC

`fcntl.h' (BSD): section I/O Operating Modes.

int O_IGNORE_CTTY

`fcntl.h' (GNU): section Open-time Flags.

int O_NDELAY

`fcntl.h' (BSD): section I/O Operating Modes.

int on_exit (void (*function)(int status, void *arg), void *arg)

`stdlib.h' (SunOS): section Cleanups on Exit.

tcflag_t ONLCR

`termios.h' (BSD): section Output Modes.

int O_NOATIME

`fcntl.h' (GNU): section I/O Operating Modes.

int O_NOCTTY

`fcntl.h' (POSIX.1): section Open-time Flags.

tcflag_t ONOEOT

`termios.h' (BSD): section Output Modes.

int O_NOLINK

`fcntl.h' (GNU): section Open-time Flags.

int O_NONBLOCK

`fcntl.h' (POSIX.1): section Open-time Flags.

int O_NONBLOCK

`fcntl.h' (POSIX.1): section I/O Operating Modes.

int O_NOTRANS

`fcntl.h' (GNU): section Open-time Flags.

DIR * opendir (const char *dirname)

`dirent.h' (POSIX.1): section Opening a Directory Stream.

int open (const char *filename, int flags[, mode_t mode])

`fcntl.h' (POSIX.1): section Opening and Closing Files.

int OPEN_MAX

`limits.h' (POSIX.1): section General Capacity Limits.

FILE * open_memstream (char **ptr, size_t *sizeloc)

`stdio.h' (GNU): section String Streams.

FILE * open_obstack_stream (struct obstack *obstack)

`stdio.h' (GNU): section Obstack Streams.

tcflag_t OPOST

`termios.h' (POSIX.1): section Output Modes.

char * optarg

`unistd.h' (POSIX.2): section Parsing Program Options.

int opterr

`unistd.h' (POSIX.2): section Parsing Program Options.

int optind

`unistd.h' (POSIX.2): section Parsing Program Options.

int optopt

`unistd.h' (POSIX.2): section Parsing Program Options.

int O_RDONLY

`fcntl.h' (POSIX.1): section File Access Modes.

int O_RDWR

`fcntl.h' (POSIX.1): section File Access Modes.

int O_READ

`fcntl.h' (GNU): section File Access Modes.

int O_SHLOCK

`fcntl.h' (BSD): section Open-time Flags.

int O_SYNC

`fcntl.h' (BSD): section I/O Operating Modes.

int O_TRUNC

`fcntl.h' (POSIX.1): section Open-time Flags.

int O_WRITE

`fcntl.h' (GNU): section File Access Modes.

int O_WRONLY

`fcntl.h' (POSIX.1): section File Access Modes.

tcflag_t OXTABS

`termios.h' (BSD): section Output Modes.

PA_CHAR

`printf.h' (GNU): section Parsing a Template String.

PA_DOUBLE

`printf.h' (GNU): section Parsing a Template String.

PA_FLAG_LONG_DOUBLE

`printf.h' (GNU): section Parsing a Template String.

PA_FLAG_LONG

`printf.h' (GNU): section Parsing a Template String.

PA_FLAG_LONG_LONG

`printf.h' (GNU): section Parsing a Template String.

int PA_FLAG_MASK

`printf.h' (GNU): section Parsing a Template String.

PA_FLAG_PTR

`printf.h' (GNU): section Parsing a Template String.

PA_FLAG_SHORT

`printf.h' (GNU): section Parsing a Template String.

PA_FLOAT

`printf.h' (GNU): section Parsing a Template String.

PA_INT

`printf.h' (GNU): section Parsing a Template String.

PA_LAST

`printf.h' (GNU): section Parsing a Template String.

PA_POINTER

`printf.h' (GNU): section Parsing a Template String.

tcflag_t PARENB

`termios.h' (POSIX.1): section Control Modes.

tcflag_t PARMRK

`termios.h' (POSIX.1): section Input Modes.

tcflag_t PARODD

`termios.h' (POSIX.1): section Control Modes.

size_t parse_printf_format (const char *template, size_t n, int *argtypes)

`printf.h' (GNU): section Parsing a Template String.

PA_STRING

`printf.h' (GNU): section Parsing a Template String.

long int pathconf (const char *filename, int parameter)

`unistd.h' (POSIX.1): section Using pathconf.

int PATH_MAX

`limits.h' (POSIX.1): section Limits on File System Capacity.

int pause ()

`unistd.h' (POSIX.1): section Using pause.

_PC_CHOWN_RESTRICTED

`unistd.h' (POSIX.1): section Using pathconf.

_PC_LINK_MAX

`unistd.h' (POSIX.1): section Using pathconf.

int pclose (FILE *stream)

`stdio.h' (POSIX.2, SVID, BSD): section Pipe to a Subprocess.

_PC_MAX_CANON

`unistd.h' (POSIX.1): section Using pathconf.

_PC_MAX_INPUT

`unistd.h' (POSIX.1): section Using pathconf.

_PC_NAME_MAX

`unistd.h' (POSIX.1): section Using pathconf.

_PC_NO_TRUNC

`unistd.h' (POSIX.1): section Using pathconf.

_PC_PATH_MAX

`unistd.h' (POSIX.1): section Using pathconf.

_PC_PIPE_BUF

`unistd.h' (POSIX.1): section Using pathconf.

_PC_VDISABLE

`unistd.h' (POSIX.1): section Using pathconf.

tcflag_t PENDIN

`termios.h' (BSD): section Local Modes.

void perror (const char *message)

`stdio.h' (ISO): section Error Messages.

int PF_FILE

`sys/socket.h' (GNU): section Details of File Namespace.

int PF_INET

`sys/socket.h' (BSD): section The Internet Namespace.

int PF_UNIX

`sys/socket.h' (BSD): section Details of File Namespace.

pid_t

`sys/types.h' (POSIX.1): section Process Identification.

int PIPE_BUF

`limits.h' (POSIX.1): section Limits on File System Capacity.

int pipe (int filedes[2])

`unistd.h' (POSIX.1): section Creating a Pipe.

FILE * popen (const char *command, const char *mode)

`stdio.h' (POSIX.2, SVID, BSD): section Pipe to a Subprocess.

_POSIX2_BC_BASE_MAX

`limits.h' (POSIX.2): section Minimum Values for Utility Limits.

_POSIX2_BC_DIM_MAX

`limits.h' (POSIX.2): section Minimum Values for Utility Limits.

_POSIX2_BC_SCALE_MAX

`limits.h' (POSIX.2): section Minimum Values for Utility Limits.

_POSIX2_BC_STRING_MAX

`limits.h' (POSIX.2): section Minimum Values for Utility Limits.

int _POSIX2_C_DEV

`unistd.h' (POSIX.2): section Overall System Options.

_POSIX2_COLL_WEIGHTS_MAX

`limits.h' (POSIX.2): section Minimum Values for Utility Limits.

long int _POSIX2_C_VERSION

`unistd.h' (POSIX.2): section Which Version of POSIX is Supported.

_POSIX2_EQUIV_CLASS_MAX

`limits.h' (POSIX.2): section Minimum Values for Utility Limits.

_POSIX2_EXPR_NEST_MAX

`limits.h' (POSIX.2): section Minimum Values for Utility Limits.

int _POSIX2_FORT_DEV

`unistd.h' (POSIX.2): section Overall System Options.

int _POSIX2_FORT_RUN

`unistd.h' (POSIX.2): section Overall System Options.

_POSIX2_LINE_MAX

`limits.h' (POSIX.2): section Minimum Values for Utility Limits.

int _POSIX2_LOCALEDEF

`unistd.h' (POSIX.2): section Overall System Options.

_POSIX2_RE_DUP_MAX

`limits.h' (POSIX.2): section Minimum Values for General Capacity Limits.

int _POSIX2_SW_DEV

`unistd.h' (POSIX.2): section Overall System Options.

_POSIX_ARG_MAX

`limits.h' (POSIX.1): section Minimum Values for General Capacity Limits.

_POSIX_CHILD_MAX

`limits.h' (POSIX.1): section Minimum Values for General Capacity Limits.

int _POSIX_CHOWN_RESTRICTED

`unistd.h' (POSIX.1): section Optional Features in File Support.

_POSIX_C_SOURCE

(POSIX.2): section Feature Test Macros.

int _POSIX_JOB_CONTROL

`unistd.h' (POSIX.1): section Overall System Options.

_POSIX_LINK_MAX

`limits.h' (POSIX.1): section Minimum Values for File System Limits.

_POSIX_MAX_CANON

`limits.h' (POSIX.1): section Minimum Values for File System Limits.

_POSIX_MAX_INPUT

`limits.h' (POSIX.1): section Minimum Values for File System Limits.

_POSIX_NAME_MAX

`limits.h' (POSIX.1): section Minimum Values for File System Limits.

_POSIX_NGROUPS_MAX

`limits.h' (POSIX.1): section Minimum Values for General Capacity Limits.

int _POSIX_NO_TRUNC

`unistd.h' (POSIX.1): section Optional Features in File Support.

_POSIX_OPEN_MAX

`limits.h' (POSIX.1): section Minimum Values for General Capacity Limits.

_POSIX_PATH_MAX

`limits.h' (POSIX.1): section Minimum Values for File System Limits.

_POSIX_PIPE_BUF

`limits.h' (POSIX.1): section Minimum Values for File System Limits.

int _POSIX_SAVED_IDS

`unistd.h' (POSIX.1): section Overall System Options.

_POSIX_SOURCE

(POSIX.1): section Feature Test Macros.

_POSIX_SSIZE_MAX

`limits.h' (POSIX.1): section Minimum Values for General Capacity Limits.

_POSIX_STREAM_MAX

`limits.h' (POSIX.1): section Minimum Values for General Capacity Limits.

_POSIX_TZNAME_MAX

`limits.h' (POSIX.1): section Minimum Values for General Capacity Limits.

unsigned char _POSIX_VDISABLE

`unistd.h' (POSIX.1): section Optional Features in File Support.

long int _POSIX_VERSION

`unistd.h' (POSIX.1): section Which Version of POSIX is Supported.

double pow (double base, double power)

`math.h' (ISO): section Exponentiation and Logarithms.

printf_arginfo_function

`printf.h' (GNU): section Defining the Output Handler.

printf_function

`printf.h' (GNU): section Defining the Output Handler.

int printf (const char *template, ...)

`stdio.h' (ISO): section Formatted Output Functions.

PRIO_MAX

`sys/resource.h' (BSD): section Process Priority.

PRIO_MIN

`sys/resource.h' (BSD): section Process Priority.

PRIO_PGRP

`sys/resource.h' (BSD): section Process Priority.

PRIO_PROCESS

`sys/resource.h' (BSD): section Process Priority.

PRIO_USER

`sys/resource.h' (BSD): section Process Priority.

char * program_invocation_name

`errno.h' (GNU): section Error Messages.

char * program_invocation_short_name

`errno.h' (GNU): section Error Messages.

void psignal (int signum, const char *message)

`signal.h' (BSD): section Signal Messages.

char * P_tmpdir

`stdio.h' (SVID): section Temporary Files.

ptrdiff_t

`stddef.h' (ISO): section Important Data Types.

int putchar (int c)

`stdio.h' (ISO): section Simple Output by Characters or Lines.

int putc (int c, FILE *stream)

`stdio.h' (ISO): section Simple Output by Characters or Lines.

int putenv (const char *string)

`stdlib.h' (SVID): section Environment Access.

int putpwent (const struct passwd *p, FILE *stream)

`pwd.h' (SVID): section Writing a User Entry.

int puts (const char *s)

`stdio.h' (ISO): section Simple Output by Characters or Lines.

int putw (int w, FILE *stream)

`stdio.h' (SVID): section Simple Output by Characters or Lines.

void qsort (void *array, size_t count, size_t size, comparison_fn_t compare)

`stdlib.h' (ISO): section Array Sort Function.

int raise (int signum)

`signal.h' (ISO): section Signaling Yourself.

void r_alloc_free (void **handleptr)

`malloc.h' (GNU): section Allocating and Freeing Relocatable Blocks.

void * r_alloc (void **handleptr, size_t size)

`malloc.h' (GNU): section Allocating and Freeing Relocatable Blocks.

int rand ()

`stdlib.h' (ISO): section ISO C Random Number Functions.

int RAND_MAX

`stdlib.h' (ISO): section ISO C Random Number Functions.

long int random ()

`stdlib.h' (BSD): section BSD Random Number Functions.

struct dirent * readdir (DIR *dirstream)

`dirent.h' (POSIX.1): section Reading and Closing a Directory Stream.

int readdir_r (DIR *dirstream, struct dirent *entry, struct dirent **result)

`dirent.h' (GNU): section Reading and Closing a Directory Stream.

ssize_t read (int filedes, void *buffer, size_t size)

`unistd.h' (POSIX.1): section Input and Output Primitives.

int readlink (const char *filename, char *buffer, size_t size)

`unistd.h' (BSD): section Symbolic Links.

__realloc_hook

`malloc.h' (GNU): section Storage Allocation Hooks.

void * realloc (void *ptr, size_t newsize)

`malloc.h', `stdlib.h' (ISO): section Changing the Size of a Block.

int recvfrom (int socket, void *buffer, size_t size, int flags, struct sockaddr *addr, socklen_t *length-ptr)

`sys/socket.h' (BSD): section Receiving Datagrams.

int recv (int socket, void *buffer, size_t size, int flags)

`sys/socket.h' (BSD): section Receiving Data.

int recvmsg (int socket, struct msghdr *message, int flags)

`sys/socket.h' (BSD): section Receiving Datagrams.

int RE_DUP_MAX

`limits.h' (POSIX.2): section General Capacity Limits.

_REENTRANT

(GNU): section Feature Test Macros.

REG_BADBR

`regex.h' (POSIX.2): section POSIX Regular Expression Compilation.

REG_BADPAT

`regex.h' (POSIX.2): section POSIX Regular Expression Compilation.

REG_BADRPT

`regex.h' (POSIX.2): section POSIX Regular Expression Compilation.

int regcomp (regex_t *compiled, const char *pattern, int cflags)

`regex.h' (POSIX.2): section POSIX Regular Expression Compilation.

REG_EBRACE

`regex.h' (POSIX.2): section POSIX Regular Expression Compilation.

REG_EBRACK

`regex.h' (POSIX.2): section POSIX Regular Expression Compilation.

REG_ECOLLATE

`regex.h' (POSIX.2): section POSIX Regular Expression Compilation.

REG_ECTYPE

`regex.h' (POSIX.2): section POSIX Regular Expression Compilation.

REG_EESCAPE

`regex.h' (POSIX.2): section POSIX Regular Expression Compilation.

REG_EPAREN

`regex.h' (POSIX.2): section POSIX Regular Expression Compilation.

REG_ERANGE

`regex.h' (POSIX.2): section POSIX Regular Expression Compilation.

size_t regerror (int errcode, regex_t *compiled, char *buffer, size_t length)

`regex.h' (POSIX.2): section POSIX Regexp Matching Cleanup.

REG_ESPACE

`regex.h' (POSIX.2): section Matching a Compiled POSIX Regular Expression.

REG_ESPACE

`regex.h' (POSIX.2): section POSIX Regular Expression Compilation.

REG_ESUBREG

`regex.h' (POSIX.2): section POSIX Regular Expression Compilation.

int regexec (regex_t *compiled, char *string, size_t nmatch, regmatch_t matchptr [], int eflags)

`regex.h' (POSIX.2): section Matching a Compiled POSIX Regular Expression.

REG_EXTENDED

`regex.h' (POSIX.2): section Flags for POSIX Regular Expressions.

regex_t

`regex.h' (POSIX.2): section POSIX Regular Expression Compilation.

void regfree (regex_t *compiled)

`regex.h' (POSIX.2): section POSIX Regexp Matching Cleanup.

REG_ICASE

`regex.h' (POSIX.2): section Flags for POSIX Regular Expressions.

int register_printf_function (int spec, printf_function handler-function, printf_arginfo_function arginfo-function)

`printf.h' (GNU): section Registering New Conversions.

regmatch_t

`regex.h' (POSIX.2): section Match Results with Subexpressions.

REG_NEWLINE

`regex.h' (POSIX.2): section Flags for POSIX Regular Expressions.

REG_NOMATCH

`regex.h' (POSIX.2): section Matching a Compiled POSIX Regular Expression.

REG_NOSUB

`regex.h' (POSIX.2): section Flags for POSIX Regular Expressions.

REG_NOTBOL

`regex.h' (POSIX.2): section Matching a Compiled POSIX Regular Expression.

REG_NOTEOL

`regex.h' (POSIX.2): section Matching a Compiled POSIX Regular Expression.

regoff_t

`regex.h' (POSIX.2): section Match Results with Subexpressions.

int remove (const char *filename)

`stdio.h' (ISO): section Deleting Files.

int rename (const char *oldname, const char *newname)

`stdio.h' (ISO): section Renaming Files.

void rewinddir (DIR *dirstream)

`dirent.h' (POSIX.1): section Random Access in a Directory Stream.

void rewind (FILE *stream)

`stdio.h' (ISO): section File Positioning.

char * rindex (const char *string, int c)

`string.h' (BSD): section Search Functions.

double rint (double x)

`math.h' (BSD): section Rounding and Remainder Functions.

RLIMIT_CORE

`sys/resource.h' (BSD): section Limiting Resource Usage.

RLIMIT_CPU

`sys/resource.h' (BSD): section Limiting Resource Usage.

RLIMIT_DATA

`sys/resource.h' (BSD): section Limiting Resource Usage.

RLIMIT_FSIZE

`sys/resource.h' (BSD): section Limiting Resource Usage.

RLIMIT_MEMLOCK

`sys/resource.h' (BSD): section Limiting Resource Usage.

RLIMIT_NOFILE

`sys/resource.h' (BSD): section Limiting Resource Usage.

RLIMIT_NPROC

`sys/resource.h' (BSD): section Limiting Resource Usage.

RLIMIT_RSS

`sys/resource.h' (BSD): section Limiting Resource Usage.

RLIMIT_STACK

`sys/resource.h' (BSD): section Limiting Resource Usage.

RLIM_NLIMITS

`sys/resource.h' (BSD): section Limiting Resource Usage.

int rmdir (const char *filename)

`unistd.h' (POSIX.1): section Deleting Files.

int R_OK

`unistd.h' (POSIX.1): section Testing Permission to Access a File.

void * r_re_alloc (void **handleptr, size_t size)

`malloc.h' (GNU): section Allocating and Freeing Relocatable Blocks.

RUSAGE_CHILDREN

`sys/resource.h' (BSD): section Resource Usage.

RUSAGE_SELF

`sys/resource.h' (BSD): section Resource Usage.

int SA_NOCLDSTOP

`signal.h' (POSIX.1): section Flags for sigaction.

int SA_ONSTACK

`signal.h' (BSD): section Flags for sigaction.

int SA_RESTART

`signal.h' (BSD): section Flags for sigaction.

_SC_2_C_DEV

`unistd.h' (POSIX.2): section Constants for sysconf Parameters.

_SC_2_FORT_DEV

`unistd.h' (POSIX.2): section Constants for sysconf Parameters.

_SC_2_FORT_RUN

`unistd.h' (POSIX.2): section Constants for sysconf Parameters.

_SC_2_LOCALEDEF

`unistd.h' (POSIX.2): section Constants for sysconf Parameters.

_SC_2_SW_DEV

`unistd.h' (POSIX.2): section Constants for sysconf Parameters.

_SC_2_VERSION

`unistd.h' (POSIX.2): section Constants for sysconf Parameters.

double scalb (double value, int exponent)

`math.h' (BSD): section Normalization Functions.

int scanf (const char *template, ...)

`stdio.h' (ISO): section Formatted Input Functions.

_SC_ARG_MAX

`unistd.h' (POSIX.1): section Constants for sysconf Parameters.

_SC_BC_BASE_MAX

`unistd.h' (POSIX.2): section Constants for sysconf Parameters.

_SC_BC_DIM_MAX

`unistd.h' (POSIX.2): section Constants for sysconf Parameters.

_SC_BC_SCALE_MAX

`unistd.h' (POSIX.2): section Constants for sysconf Parameters.

_SC_BC_STRING_MAX

`unistd.h' (POSIX.2): section Constants for sysconf Parameters.

_SC_CHILD_MAX

`unistd.h' (POSIX.1): section Constants for sysconf Parameters.

_SC_CLK_TCK

`unistd.h' (POSIX.1): section Constants for sysconf Parameters.

_SC_COLL_WEIGHTS_MAX

`unistd.h' (POSIX.2): section Constants for sysconf Parameters.

_SC_EQUIV_CLASS_MAX

`unistd.h' (POSIX.2): section Constants for sysconf Parameters.

_SC_EXPR_NEST_MAX

`unistd.h' (POSIX.2): section Constants for sysconf Parameters.

SCHAR_MAX

`limits.h' (ISO): section Range of an Integer Type.

SCHAR_MIN

`limits.h' (ISO): section Range of an Integer Type.

_SC_JOB_CONTROL

`unistd.h' (POSIX.1): section Constants for sysconf Parameters.

_SC_LINE_MAX

`unistd.h' (POSIX.2): section Constants for sysconf Parameters.

_SC_NGROUPS_MAX

`unistd.h' (POSIX.1): section Constants for sysconf Parameters.

_SC_OPEN_MAX

`unistd.h' (POSIX.1): section Constants for sysconf Parameters.

_SC_PAGESIZE

`unistd.h' (GNU): section Constants for sysconf Parameters.

_SC_SAVED_IDS

`unistd.h' (POSIX.1): section Constants for sysconf Parameters.

_SC_STREAM_MAX

`unistd.h' (POSIX.1): section Constants for sysconf Parameters.

_SC_TZNAME_MAX

`unistd.h' (POSIX.1): section Constants for sysconf Parameters.

_SC_VERSION

`unistd.h' (POSIX.1): section Constants for sysconf Parameters.

_SC_VERSION

`unistd.h' (POSIX.2): section Constants for sysconf Parameters.

int SEEK_CUR

`stdio.h' (ISO): section File Positioning.

void seekdir (DIR *dirstream, off_t pos)

`dirent.h' (BSD): section Random Access in a Directory Stream.

int SEEK_END

`stdio.h' (ISO): section File Positioning.

int SEEK_SET

`stdio.h' (ISO): section File Positioning.

int select (int nfds, fd_set *read-fds, fd_set *write-fds, fd_set *except-fds, struct timeval *timeout)

`sys/types.h' (BSD): section Waiting for Input or Output.

int send (int socket, void *buffer, size_t size, int flags)

`sys/socket.h' (BSD): section Sending Data.

int sendmsg (int socket, const struct msghdr *message, int flags)

`sys/socket.h' (BSD): section Receiving Datagrams.

int sendto (int socket, void *buffer. size_t size, int flags, struct sockaddr *addr, socklen_t length)

`sys/socket.h' (BSD): section Sending Datagrams.

void setbuffer (FILE *stream, char *buf, size_t size)

`stdio.h' (BSD): section Controlling Which Kind of Buffering.

void setbuf (FILE *stream, char *buf)

`stdio.h' (ISO): section Controlling Which Kind of Buffering.

int setgid (gid_t newgid)

`unistd.h' (POSIX.1): section Setting the Group IDs.

void setgrent (void)

`grp.h' (SVID, BSD): section Scanning the List of All Groups.

int setgroups (size_t count, gid_t *groups)

`grp.h' (BSD): section Setting the Group IDs.

void sethostent (int stayopen)

`netdb.h' (BSD): section Host Names.

int sethostid (long int id)

`unistd.h' (BSD): section Host Identification.

int sethostname (const char *name, size_t length)

`unistd.h' (BSD): section Host Identification.

int setitimer (int which, struct itimerval *new, struct itimerval *old)

`sys/time.h' (BSD): section Setting an Alarm.

int setjmp (jmp_buf state)

`setjmp.h' (ISO): section Details of Non-Local Exits.

void setlinebuf (FILE *stream)

`stdio.h' (BSD): section Controlling Which Kind of Buffering.

char * setlocale (int category, const char *locale)

`locale.h' (ISO): section How Programs Set the Locale.

void setnetent (int stayopen)

`netdb.h' (BSD): section Networks Database.

int setnetgrent (const char *netgroup)

`netdb.h' (netdb.h): section Looking up one Netgroup.

int setpgid (pid_t pid, pid_t pgid)

`unistd.h' (POSIX.1): section Process Group Functions.

int setpgrp (pid_t pid, pid_t pgid)

`unistd.h' (BSD): section Process Group Functions.

int setpriority (int class, int id, int priority)

`sys/resource.h' (BSD): section Process Priority.

void setprotoent (int stayopen)

`netdb.h' (BSD): section Protocols Database.

void setpwent (void)

`pwd.h' (SVID, BSD): section Scanning the List of All Users.

int setregid (gid_t rgid, fid_t egid)

`unistd.h' (BSD): section Setting the Group IDs.

int setreuid (uid_t ruid, uid_t euid)

`unistd.h' (BSD): section Setting the User ID.

int setrlimit (int resource, struct rlimit *rlp)

`sys/resource.h' (BSD): section Limiting Resource Usage.

void setservent (int stayopen)

`netdb.h' (BSD): section The Services Database.

pid_t setsid (void)

`unistd.h' (POSIX.1): section Process Group Functions.

int setsockopt (int socket, int level, int optname, void *optval, socklen_t optlen)

`sys/socket.h' (BSD): section Socket Option Functions.

void * setstate (void *state)

`stdlib.h' (BSD): section BSD Random Number Functions.

int settimeofday (const struct timeval *tp, const struct timezone *tzp)

`sys/time.h' (BSD): section High-Resolution Calendar.

int setuid (uid_t newuid)

`unistd.h' (POSIX.1): section Setting the User ID.

int setvbuf (FILE *stream, char *buf, int mode, size_t size)

`stdio.h' (ISO): section Controlling Which Kind of Buffering.

SHRT_MAX

`limits.h' (ISO): section Range of an Integer Type.

SHRT_MIN

`limits.h' (ISO): section Range of an Integer Type.

int shutdown (int socket, int how)

`sys/socket.h' (BSD): section Closing a Socket.

S_IEXEC

`sys/stat.h' (BSD): section The Mode Bits for Access Permission.

S_IFBLK

`sys/stat.h' (BSD): section Testing the Type of a File.

S_IFCHR

`sys/stat.h' (BSD): section Testing the Type of a File.

S_IFDIR

`sys/stat.h' (BSD): section Testing the Type of a File.

S_IFIFO

`sys/stat.h' (BSD): section Testing the Type of a File.

S_IFLNK

`sys/stat.h' (BSD): section Testing the Type of a File.

int S_IFMT

`sys/stat.h' (BSD): section Testing the Type of a File.

S_IFREG

`sys/stat.h' (BSD): section Testing the Type of a File.

S_IFSOCK

`sys/stat.h' (BSD): section Testing the Type of a File.

int SIGABRT

`signal.h' (ISO): section Program Error Signals.

int sigaction (int signum, const struct sigaction *action, struct sigaction *old-action)

`signal.h' (POSIX.1): section Advanced Signal Handling.

int sigaddset (sigset_t *set, int signum)

`signal.h' (POSIX.1): section Signal Sets.

int SIGALRM

`signal.h' (POSIX.1): section Alarm Signals.

int sigaltstack (const struct sigaltstack *stack, struct sigaltstack *oldstack)

`signal.h' (BSD): section Using a Separate Signal Stack.

sig_atomic_t

`signal.h' (ISO): section Atomic Types.

SIG_BLOCK

`signal.h' (POSIX.1): section Process Signal Mask.

int sigblock (int mask)

`signal.h' (BSD): section BSD Functions for Blocking Signals.

int SIGBUS

`signal.h' (BSD): section Program Error Signals.

int SIGCHLD

`signal.h' (POSIX.1): section Job Control Signals.

int SIGCLD

`signal.h' (SVID): section Job Control Signals.

int SIGCONT

`signal.h' (POSIX.1): section Job Control Signals.

int sigdelset (sigset_t *set, int signum)

`signal.h' (POSIX.1): section Signal Sets.

int sigemptyset (sigset_t *set)

`signal.h' (POSIX.1): section Signal Sets.

int SIGEMT

`signal.h' (BSD): section Program Error Signals.

sighandler_t SIG_ERR

`signal.h' (ISO): section Basic Signal Handling.

int sigfillset (sigset_t *set)

`signal.h' (POSIX.1): section Signal Sets.

int SIGFPE

`signal.h' (ISO): section Program Error Signals.

sighandler_t

`signal.h' (GNU): section Basic Signal Handling.

int SIGHUP

`signal.h' (POSIX.1): section Termination Signals.

int SIGILL

`signal.h' (ISO): section Program Error Signals.

int SIGINFO

`signal.h' (BSD): section Miscellaneous Signals.

int siginterrupt (int signum, int failflag)

`signal.h' (BSD): section BSD Function to Establish a Handler.

int SIGINT

`signal.h' (ISO): section Termination Signals.

int SIGIO

`signal.h' (BSD): section Asynchronous I/O Signals.

int SIGIOT

`signal.h' (Unix): section Program Error Signals.

int sigismember (const sigset_t *set, int signum)

`signal.h' (POSIX.1): section Signal Sets.

sigjmp_buf

`setjmp.h' (POSIX.1): section Non-Local Exits and Signals.

int SIGKILL

`signal.h' (POSIX.1): section Termination Signals.

void siglongjmp (sigjmp_buf state, int value)

`setjmp.h' (POSIX.1): section Non-Local Exits and Signals.

int SIGLOST

`signal.h' (GNU): section Operation Error Signals.

int sigmask (int signum)

`signal.h' (BSD): section BSD Functions for Blocking Signals.

sighandler_t signal (int signum, sighandler_t action)

`signal.h' (ISO): section Basic Signal Handling.

int sigpause (int mask)

`signal.h' (BSD): section BSD Functions for Blocking Signals.

int sigpending (sigset_t *set)

`signal.h' (POSIX.1): section Checking for Pending Signals.

int SIGPIPE

`signal.h' (POSIX.1): section Operation Error Signals.

int SIGPOLL

`signal.h' (SVID): section Asynchronous I/O Signals.

int sigprocmask (int how, const sigset_t *set, sigset_t *oldset)

`signal.h' (POSIX.1): section Process Signal Mask.

int SIGPROF

`signal.h' (BSD): section Alarm Signals.

int SIGQUIT

`signal.h' (POSIX.1): section Termination Signals.

int SIGSEGV

`signal.h' (ISO): section Program Error Signals.

int sigsetjmp (sigjmp_buf state, int savesigs)

`setjmp.h' (POSIX.1): section Non-Local Exits and Signals.

SIG_SETMASK

`signal.h' (POSIX.1): section Process Signal Mask.

int sigsetmask (int mask)

`signal.h' (BSD): section BSD Functions for Blocking Signals.

sigset_t

`signal.h' (POSIX.1): section Signal Sets.

int sigstack (const struct sigstack *stack, struct sigstack *oldstack)

`signal.h' (BSD): section Using a Separate Signal Stack.

int SIGSTOP

`signal.h' (POSIX.1): section Job Control Signals.

int sigsuspend (const sigset_t *set)

`signal.h' (POSIX.1): section Using sigsuspend.

int SIGSYS

`signal.h' (Unix): section Program Error Signals.

int SIGTERM

`signal.h' (ISO): section Termination Signals.

int SIGTRAP

`signal.h' (BSD): section Program Error Signals.

int SIGTSTP

`signal.h' (POSIX.1): section Job Control Signals.

int SIGTTIN

`signal.h' (POSIX.1): section Job Control Signals.

int SIGTTOU

`signal.h' (POSIX.1): section Job Control Signals.

SIG_UNBLOCK

`signal.h' (POSIX.1): section Process Signal Mask.

int SIGURG

`signal.h' (BSD): section Asynchronous I/O Signals.

int SIGUSR1

`signal.h' (POSIX.1): section Miscellaneous Signals.

int SIGUSR2

`signal.h' (POSIX.1): section Miscellaneous Signals.

int sigvec (int signum, const struct sigvec *action,struct sigvec *old-action)

`signal.h' (BSD): section BSD Function to Establish a Handler.

int SIGVTALRM

`signal.h' (BSD): section Alarm Signals.

int SIGWINCH

`signal.h' (BSD): section Miscellaneous Signals.

int SIGXCPU

`signal.h' (BSD): section Operation Error Signals.

int SIGXFSZ

`signal.h' (BSD): section Operation Error Signals.

double sinh (double x)

`math.h' (ISO): section Hyperbolic Functions.

double sin (double x)

`math.h' (ISO): section Trigonometric Functions.

S_IREAD

`sys/stat.h' (BSD): section The Mode Bits for Access Permission.

S_IRGRP

`sys/stat.h' (POSIX.1): section The Mode Bits for Access Permission.

S_IROTH

`sys/stat.h' (POSIX.1): section The Mode Bits for Access Permission.

S_IRUSR

`sys/stat.h' (POSIX.1): section The Mode Bits for Access Permission.

S_IRWXG

`sys/stat.h' (POSIX.1): section The Mode Bits for Access Permission.

S_IRWXO

`sys/stat.h' (POSIX.1): section The Mode Bits for Access Permission.

S_IRWXU

`sys/stat.h' (POSIX.1): section The Mode Bits for Access Permission.

int S_ISBLK (mode_t m)

`sys/stat.h' (POSIX): section Testing the Type of a File.

int S_ISCHR (mode_t m)

`sys/stat.h' (POSIX): section Testing the Type of a File.

int S_ISDIR (mode_t m)

`sys/stat.h' (POSIX): section Testing the Type of a File.

int S_ISFIFO (mode_t m)

`sys/stat.h' (POSIX): section Testing the Type of a File.

S_ISGID

`sys/stat.h' (POSIX): section The Mode Bits for Access Permission.

int S_ISLNK (mode_t m)

`sys/stat.h' (GNU): section Testing the Type of a File.

int S_ISREG (mode_t m)

`sys/stat.h' (POSIX): section Testing the Type of a File.

int S_ISSOCK (mode_t m)

`sys/stat.h' (GNU): section Testing the Type of a File.

S_ISUID

`sys/stat.h' (POSIX): section The Mode Bits for Access Permission.

S_ISVTX

`sys/stat.h' (BSD): section The Mode Bits for Access Permission.

S_IWGRP

`sys/stat.h' (POSIX.1): section The Mode Bits for Access Permission.

S_IWOTH

`sys/stat.h' (POSIX.1): section The Mode Bits for Access Permission.

S_IWRITE

`sys/stat.h' (BSD): section The Mode Bits for Access Permission.

S_IWUSR

`sys/stat.h' (POSIX.1): section The Mode Bits for Access Permission.

S_IXGRP

`sys/stat.h' (POSIX.1): section The Mode Bits for Access Permission.

S_IXOTH

`sys/stat.h' (POSIX.1): section The Mode Bits for Access Permission.

S_IXUSR

`sys/stat.h' (POSIX.1): section The Mode Bits for Access Permission.

size_t

`stddef.h' (ISO): section Important Data Types.

unsigned int sleep (unsigned int seconds)

`unistd.h' (POSIX.1): section Sleeping.

int snprintf (char *s, size_t size, const char *template, ...)

`stdio.h' (GNU): section Formatted Output Functions.

SO_BROADCAST

`sys/socket.h' (BSD): section Socket-Level Options.

int SOCK_DGRAM

`sys/socket.h' (BSD): section Communication Styles.

int socket (int namespace, int style, int protocol)

`sys/socket.h' (BSD): section Creating a Socket.

int socketpair (int namespace, int style, int protocol, int filedes[2])

`sys/socket.h' (BSD): section Socket Pairs.

int SOCK_RAW

`sys/socket.h' (BSD): section Communication Styles.

int SOCK_RDM

`sys/socket.h' (BSD): section Communication Styles.

int SOCK_SEQPACKET

`sys/socket.h' (BSD): section Communication Styles.

int SOCK_STREAM

`sys/socket.h' (BSD): section Communication Styles.

SO_DEBUG

`sys/socket.h' (BSD): section Socket-Level Options.

SO_DONTROUTE

`sys/socket.h' (BSD): section Socket-Level Options.

SO_ERROR

`sys/socket.h' (BSD): section Socket-Level Options.

SO_KEEPALIVE

`sys/socket.h' (BSD): section Socket-Level Options.

SO_LINGER

`sys/socket.h' (BSD): section Socket-Level Options.

int SOL_SOCKET

`sys/socket.h' (BSD): section Socket-Level Options.

SO_OOBINLINE

`sys/socket.h' (BSD): section Socket-Level Options.

SO_RCVBUF

`sys/socket.h' (BSD): section Socket-Level Options.

SO_REUSEADDR

`sys/socket.h' (BSD): section Socket-Level Options.

SO_SNDBUF

`sys/socket.h' (BSD): section Socket-Level Options.

SO_STYLE

`sys/socket.h' (GNU): section Socket-Level Options.

SO_TYPE

`sys/socket.h' (BSD): section Socket-Level Options.

speed_t

`termios.h' (POSIX.1): section Line Speed.

int sprintf (char *s, const char *template, ...)

`stdio.h' (ISO): section Formatted Output Functions.

double sqrt (double x)

`math.h' (ISO): section Exponentiation and Logarithms.

void srand (unsigned int seed)

`stdlib.h' (ISO): section ISO C Random Number Functions.

void srandom (unsigned int seed)

`stdlib.h' (BSD): section BSD Random Number Functions.

int sscanf (const char *s, const char *template, ...)

`stdio.h' (ISO): section Formatted Input Functions.

sighandler_t ssignal (int signum, sighandler_t action)

`signal.h' (SVID): section Basic Signal Handling.

int SSIZE_MAX

`limits.h' (POSIX.1): section General Capacity Limits.

ssize_t

`unistd.h' (POSIX.1): section Input and Output Primitives.

int stat (const char *filename, struct stat *buf)

`sys/stat.h' (POSIX.1): section Reading the Attributes of a File.

STDERR_FILENO

`unistd.h' (POSIX.1): section Descriptors and Streams.

FILE * stderr

`stdio.h' (ISO): section Standard Streams.

STDIN_FILENO

`unistd.h' (POSIX.1): section Descriptors and Streams.

FILE * stdin

`stdio.h' (ISO): section Standard Streams.

STDOUT_FILENO

`unistd.h' (POSIX.1): section Descriptors and Streams.

FILE * stdout

`stdio.h' (ISO): section Standard Streams.

char * stpcpy (char *to, const char *from)

`string.h' (Unknown origin): section Copying and Concatenation.

char * stpncpy (char *to, const char *from, size_t size)

`string.h' (GNU): section Copying and Concatenation.

int strcasecmp (const char *s1, const char *s2)

`string.h' (BSD): section String/Array Comparison.

char * strcat (char *to, const char *from)

`string.h' (ISO): section Copying and Concatenation.

char * strchr (const char *string, int c)

`string.h' (ISO): section Search Functions.

int strcmp (const char *s1, const char *s2)

`string.h' (ISO): section String/Array Comparison.

int strcoll (const char *s1, const char *s2)

`string.h' (ISO): section Collation Functions.

char * strcpy (char *to, const char *from)

`string.h' (ISO): section Copying and Concatenation.

size_t strcspn (const char *string, const char *stopset)

`string.h' (ISO): section Search Functions.

char * strdupa (const char *s)

`string.h' (GNU): section Copying and Concatenation.

char * strdup (const char *s)

`string.h' (SVID): section Copying and Concatenation.

int STREAM_MAX

`limits.h' (POSIX.1): section General Capacity Limits.

char * strerror (int errnum)

`string.h' (ISO): section Error Messages.

char * strerror_r (int errnum, char *buf, size_t n)

`string.h' (GNU): section Error Messages.

size_t strftime (char *s, size_t size, const char *template, const struct tm *brokentime)

`time.h' (POSIX.2): section Formatting Date and Time.

size_t strlen (const char *s)

`string.h' (ISO): section String Length.

int strncasecmp (const char *s1, const char *s2, size_t n)

`string.h' (BSD): section String/Array Comparison.

char * strncat (char *to, const char *from, size_t size)

`string.h' (ISO): section Copying and Concatenation.

int strncmp (const char *s1, const char *s2, size_t size)

`string.h' (ISO): section String/Array Comparison.

char * strncpy (char *to, const char *from, size_t size)

`string.h' (ISO): section Copying and Concatenation.

char * strndupa (const char *s, size_t size)

`string.h' (GNU): section Copying and Concatenation.

char * strndup (const char *s, size_t size)

`string.h' (GNU): section Copying and Concatenation.

char * strpbrk (const char *string, const char *stopset)

`string.h' (ISO): section Search Functions.

char * strrchr (const char *string, int c)

`string.h' (ISO): section Search Functions.

char * strsep (char **string_ptr, const char *delimiter)

`string.h' (BSD): section Finding Tokens in a String.

char * strsignal (int signum)

`string.h' (GNU): section Signal Messages.

size_t strspn (const char *string, const char *skipset)

`string.h' (ISO): section Search Functions.

char * strstr (const char *haystack, const char *needle)

`string.h' (ISO): section Search Functions.

double strtod (const char *string, char **tailptr)

`stdlib.h' (ISO): section Parsing of Floats.

float strtof (const char *string, char **tailptr)

`stdlib.h' (GNU): section Parsing of Floats.

char * strtok (char *newstring, const char *delimiters)

`string.h' (ISO): section Finding Tokens in a String.

char * strtok_r (char *newstring, const char *delimiters, char **save_ptr)

`string.h' (POSIX): section Finding Tokens in a String.

long double strtold (const char *string, char **tailptr)

`stdlib.h' (GNU): section Parsing of Floats.

long int strtol (const char *string, char **tailptr, int base)

`stdlib.h' (ISO): section Parsing of Integers.

long long int strtoll (const char *string, char **tailptr, int base)

`stdlib.h' (GNU): section Parsing of Integers.

long long int strtoq (const char *string, char **tailptr, int base)

`stdlib.h' (BSD): section Parsing of Integers.

unsigned long int strtoul (const char *string, char **tailptr, int base)

`stdlib.h' (ISO): section Parsing of Integers.

unsigned long long int strtoull (const char *string, char **tailptr, int base)

`stdlib.h' (GNU): section Parsing of Integers.

unsigned long long int strtouq (const char *string, char **tailptr, int base)

`stdlib.h' (BSD): section Parsing of Integers.

struct dirent

`dirent.h' (POSIX.1): section Format of a Directory Entry.

struct flock

`fcntl.h' (POSIX.1): section File Locks.

struct group

`grp.h' (POSIX.1): section The Data Structure for a Group.

struct hostent

`netdb.h' (BSD): section Host Names.

struct in6_addr

`netinet/in.h' (IPv6 basic API): section Host Address Data Type.

struct in_addr

`netinet/in.h' (BSD): section Host Address Data Type.

struct itimerval

`sys/time.h' (BSD): section Setting an Alarm.

struct lconv

`locale.h' (ISO): section Numeric Formatting.

struct linger

`sys/socket.h' (BSD): section Socket-Level Options.

struct mallinfo

`malloc.h' (GNU): section Statistics for Storage Allocation with malloc.

struct msghdr

`sys/socket.h' (BSD): section Receiving Datagrams.

struct netent

`netdb.h' (BSD): section Networks Database.

struct obstack

`obstack.h' (GNU): section Creating Obstacks.

struct option

`getopt.h' (GNU): section Parsing Long Options.

struct passwd

`pwd.h' (POSIX.1): section The Data Structure that Describes a User.

struct printf_info

`printf.h' (GNU): section Conversion Specifier Options.

struct protoent

`netdb.h' (BSD): section Protocols Database.

struct rlimit

`sys/resource.h' (BSD): section Limiting Resource Usage.

struct rusage

`sys/resource.h' (BSD): section Resource Usage.

struct servent

`netdb.h' (BSD): section The Services Database.

struct sigaction

`signal.h' (POSIX.1): section Advanced Signal Handling.

struct sigaltstack

`signal.h' (BSD): section Using a Separate Signal Stack.

struct sigstack

`signal.h' (BSD): section Using a Separate Signal Stack.

struct sigvec

`signal.h' (BSD): section BSD Function to Establish a Handler.

struct sockaddr

`sys/socket.h' (BSD): section Address Formats.

struct sockaddr_in

`netinet/in.h' (BSD): section Internet Socket Address Formats.

struct sockaddr_un

`sys/un.h' (BSD): section Details of File Namespace.

struct stat

`sys/stat.h' (POSIX.1): section What the File Attribute Values Mean.

struct termios

`termios.h' (POSIX.1): section Terminal Mode Data Types.

struct timeval

`sys/time.h' (BSD): section High-Resolution Calendar.

struct timezone

`sys/time.h' (BSD): section High-Resolution Calendar.

struct tm

`time.h' (ISO): section Broken-down Time.

struct tms

`sys/times.h' (POSIX.1): section Detailed Elapsed CPU Time Inquiry.

struct utimbuf

`time.h' (POSIX.1): section File Times.

struct utsname

`sys/utsname.h' (POSIX.1): section Hardware/Software Type Identification.

size_t strxfrm (char *to, const char *from, size_t size)

`string.h' (ISO): section Collation Functions.

_SVID_SOURCE

(GNU): section Feature Test Macros.

int SV_INTERRUPT

`signal.h' (BSD): section BSD Function to Establish a Handler.

int SV_ONSTACK

`signal.h' (BSD): section BSD Function to Establish a Handler.

int SV_RESETHAND

`signal.h' (Sun): section BSD Function to Establish a Handler.

int symlink (const char *oldname, const char *newname)

`unistd.h' (BSD): section Symbolic Links.

long int sysconf (int parameter)

`unistd.h' (POSIX.1): section Definition of sysconf.

int system (const char *command)

`stdlib.h' (ISO): section Running a Command.

double tanh (double x)

`math.h' (ISO): section Hyperbolic Functions.

double tan (double x)

`math.h' (ISO): section Trigonometric Functions.

int tcdrain (int filedes)

`termios.h' (POSIX.1): section Line Control Functions.

tcflag_t

`termios.h' (POSIX.1): section Terminal Mode Data Types.

int tcflow (int filedes, int action)

`termios.h' (POSIX.1): section Line Control Functions.

int tcflush (int filedes, int queue)

`termios.h' (POSIX.1): section Line Control Functions.

int tcgetattr (int filedes, struct termios *termios-p)

`termios.h' (POSIX.1): section Terminal Mode Functions.

pid_t tcgetpgrp (int filedes)

`unistd.h' (POSIX.1): section Functions for Controlling Terminal Access.

TCSADRAIN

`termios.h' (POSIX.1): section Terminal Mode Functions.

TCSAFLUSH

`termios.h' (POSIX.1): section Terminal Mode Functions.

TCSANOW

`termios.h' (POSIX.1): section Terminal Mode Functions.

TCSASOFT

`termios.h' (BSD): section Terminal Mode Functions.

int tcsendbreak (int filedes, int duration)

`termios.h' (POSIX.1): section Line Control Functions.

int tcsetattr (int filedes, int when, const struct termios *termios-p)

`termios.h' (POSIX.1): section Terminal Mode Functions.

int tcsetpgrp (int filedes, pid_t pgid)

`unistd.h' (POSIX.1): section Functions for Controlling Terminal Access.

off_t telldir (DIR *dirstream)

`dirent.h' (BSD): section Random Access in a Directory Stream.

TEMP_FAILURE_RETRY (expression)

`unistd.h' (GNU): section Primitives Interrupted by Signals.

char * tempnam (const char *dir, const char *prefix)

`stdio.h' (SVID): section Temporary Files.

time_t time (time_t *result)

`time.h' (ISO): section Simple Calendar Time.

clock_t times (struct tms *buffer)

`sys/times.h' (POSIX.1): section Detailed Elapsed CPU Time Inquiry.

time_t

`time.h' (ISO): section Simple Calendar Time.

long int timezone

`time.h' (SVID): section Functions and Variables for Time Zones.

FILE * tmpfile (void)

`stdio.h' (ISO): section Temporary Files.

int TMP_MAX

`stdio.h' (ISO): section Temporary Files.

char * tmpnam (char *result)

`stdio.h' (ISO): section Temporary Files.

char * tmpnam_r (char *result)

`stdio.h' (GNU): section Temporary Files.

int toascii (int c)

`ctype.h' (SVID, BSD): section Case Conversion.

int _tolower (int c)

`ctype.h' (SVID): section Case Conversion.

int tolower (int c)

`ctype.h' (ISO): section Case Conversion.

tcflag_t TOSTOP

`termios.h' (POSIX.1): section Local Modes.

int _toupper (int c)

`ctype.h' (SVID): section Case Conversion.

int toupper (int c)

`ctype.h' (ISO): section Case Conversion.

TRY_AGAIN

`netdb.h' (BSD): section Host Names.

char * ttyname (int filedes)

`unistd.h' (POSIX.1): section Identifying Terminals.

char * tzname [2]

`time.h' (POSIX.1): section Functions and Variables for Time Zones.

int TZNAME_MAX

`limits.h' (POSIX.1): section General Capacity Limits.

void tzset (void)

`time.h' (POSIX.1): section Functions and Variables for Time Zones.

UCHAR_MAX

`limits.h' (ISO): section Range of an Integer Type.

uid_t

`sys/types.h' (POSIX.1): section Reading the Persona of a Process.

UINT_MAX

`limits.h' (ISO): section Range of an Integer Type.

ULONG_LONG_MAX

`limits.h' (ISO): section Range of an Integer Type.

ULONG_MAX

`limits.h' (ISO): section Range of an Integer Type.

mode_t umask (mode_t mask)

`sys/stat.h' (POSIX.1): section Assigning File Permissions.

int uname (struct utsname *info)

`sys/utsname.h' (POSIX.1): section Hardware/Software Type Identification.

int ungetc (int c, FILE *stream)

`stdio.h' (ISO): section Using ungetc To Do Unreading.

union wait

`sys/wait.h' (BSD): section BSD Process Wait Functions.

int unlink (const char *filename)

`unistd.h' (POSIX.1): section Deleting Files.

USHRT_MAX

`limits.h' (ISO): section Range of an Integer Type.

int utime (const char *filename, const struct utimbuf *times)

`time.h' (POSIX.1): section File Times.

int utimes (const char *filename, struct timeval tvp[2])

`sys/time.h' (BSD): section File Times.

va_alist

`varargs.h' (Unix): section Old-Style Variadic Functions.

type va_arg (va_list ap, type)

`stdarg.h' (ISO): section Argument Access Macros.

va_dcl

`varargs.h' (Unix): section Old-Style Variadic Functions.

void va_end (va_list ap)

`stdarg.h' (ISO): section Argument Access Macros.

va_list

`stdarg.h' (ISO): section Argument Access Macros.

void * valloc (size_t size)

`malloc.h', `stdlib.h' (BSD): section Allocating Aligned Memory Blocks.

int vasprintf (char **ptr, const char *template, va_list ap)

`stdio.h' (GNU): section Variable Arguments Output Functions.

void va_start (va_list ap)

`varargs.h' (Unix): section Old-Style Variadic Functions.

void va_start (va_list ap, last-required)

`stdarg.h' (ISO): section Argument Access Macros.

int VDISCARD

`termios.h' (BSD): section Other Special Characters.

int VDSUSP

`termios.h' (BSD): section Characters that Cause Signals.

int VEOF

`termios.h' (POSIX.1): section Characters for Input Editing.

int VEOL2

`termios.h' (BSD): section Characters for Input Editing.

int VEOL

`termios.h' (POSIX.1): section Characters for Input Editing.

int VERASE

`termios.h' (POSIX.1): section Characters for Input Editing.

pid_t vfork (void)

`unistd.h' (BSD): section Creating a Process.

int vfprintf (FILE *stream, const char *template, va_list ap)

`stdio.h' (ISO): section Variable Arguments Output Functions.

int vfscanf (FILE *stream, const char *template, va_list ap)

`stdio.h' (GNU): section Variable Arguments Input Functions.

int VINTR

`termios.h' (POSIX.1): section Characters that Cause Signals.

int VKILL

`termios.h' (POSIX.1): section Characters for Input Editing.

int VLNEXT

`termios.h' (BSD): section Other Special Characters.

int VMIN

`termios.h' (POSIX.1): section Noncanonical Input.

int vprintf (const char *template, va_list ap)

`stdio.h' (ISO): section Variable Arguments Output Functions.

int VQUIT

`termios.h' (POSIX.1): section Characters that Cause Signals.

int VREPRINT

`termios.h' (BSD): section Characters for Input Editing.

int vscanf (const char *template, va_list ap)

`stdio.h' (GNU): section Variable Arguments Input Functions.

int vsnprintf (char *s, size_t size, const char *template, va_list ap)

`stdio.h' (GNU): section Variable Arguments Output Functions.

int vsprintf (char *s, const char *template, va_list ap)

`stdio.h' (ISO): section Variable Arguments Output Functions.

int vsscanf (const char *s, const char *template, va_list ap)

`stdio.h' (GNU): section Variable Arguments Input Functions.

int VSTART

`termios.h' (POSIX.1): section Special Characters for Flow Control.

int VSTATUS

`termios.h' (BSD): section Other Special Characters.

int VSTOP

`termios.h' (POSIX.1): section Special Characters for Flow Control.

int VSUSP

`termios.h' (POSIX.1): section Characters that Cause Signals.

int VTIME

`termios.h' (POSIX.1): section Noncanonical Input.

int VWERASE

`termios.h' (BSD): section Characters for Input Editing.

pid_t wait3 (union wait *status-ptr, int options, struct rusage *usage)

`sys/wait.h' (BSD): section BSD Process Wait Functions.

pid_t wait4 (pid_t pid, int *status-ptr, int options, struct rusage *usage)

`sys/wait.h' (BSD): section Process Completion.

pid_t wait (int *status-ptr)

`sys/wait.h' (POSIX.1): section Process Completion.

pid_t waitpid (pid_t pid, int *status-ptr, int options)

`sys/wait.h' (POSIX.1): section Process Completion.

WCHAR_MAX

`limits.h' (GNU): section Range of an Integer Type.

wchar_t

`stddef.h' (ISO): section Wide Character Introduction.

int WCOREDUMP (int status)

`sys/wait.h' (BSD): section Process Completion Status.

size_t wcstombs (char *string, const wchar_t wstring, size_t size)

`stdlib.h' (ISO): section Conversion of Extended Strings.

int wctomb (char *string, wchar_t wchar)

`stdlib.h' (ISO): section Conversion of Extended Characters One by One.

int WEXITSTATUS (int status)

`sys/wait.h' (POSIX.1): section Process Completion Status.

int WIFEXITED (int status)

`sys/wait.h' (POSIX.1): section Process Completion Status.

int WIFSIGNALED (int status)

`sys/wait.h' (POSIX.1): section Process Completion Status.

int WIFSTOPPED (int status)

`sys/wait.h' (POSIX.1): section Process Completion Status.

int W_OK

`unistd.h' (POSIX.1): section Testing Permission to Access a File.

int wordexp (const char *words, wordexp_t *word-vector-ptr, int flags)

`wordexp.h' (POSIX.2): section Calling wordexp.

wordexp_t

`wordexp.h' (POSIX.2): section Calling wordexp.

void wordfree (wordexp_t *word-vector-ptr)

`wordexp.h' (POSIX.2): section Calling wordexp.

WRDE_APPEND

`wordexp.h' (POSIX.2): section Flags for Word Expansion.

WRDE_BADCHAR

`wordexp.h' (POSIX.2): section Calling wordexp.

WRDE_BADVAL

`wordexp.h' (POSIX.2): section Calling wordexp.

WRDE_CMDSUB

`wordexp.h' (POSIX.2): section Calling wordexp.

WRDE_DOOFFS

`wordexp.h' (POSIX.2): section Flags for Word Expansion.

WRDE_NOCMD

`wordexp.h' (POSIX.2): section Flags for Word Expansion.

WRDE_NOSPACE

`wordexp.h' (POSIX.2): section Calling wordexp.

WRDE_REUSE

`wordexp.h' (POSIX.2): section Flags for Word Expansion.

WRDE_SHOWERR

`wordexp.h' (POSIX.2): section Flags for Word Expansion.

WRDE_SYNTAX

`wordexp.h' (POSIX.2): section Calling wordexp.

WRDE_UNDEF

`wordexp.h' (POSIX.2): section Flags for Word Expansion.

ssize_t write (int filedes, const void *buffer, size_t size)

`unistd.h' (POSIX.1): section Input and Output Primitives.

int WSTOPSIG (int status)

`sys/wait.h' (POSIX.1): section Process Completion Status.

int WTERMSIG (int status)

`sys/wait.h' (POSIX.1): section Process Completion Status.

int X_OK

`unistd.h' (POSIX.1): section Testing Permission to Access a File.

_XOPEN_SOURCE

(XOPEN): section Feature Test Macros.

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