For the programmer, changes to the C source code fall into three
categories. First, you have to make the localization functions
known to all modules needing message translation. Second, you should
properly trigger the operation of GNU gettext when the program
initializes, usually from the main function. Last, you should
identify and especially mark all constant strings in your program
needing translation.
Presuming that your set of programs, or package, has been adjusted
so all needed GNU gettext files are available, and your
`Makefile' files are adjusted (see section The Maintainer's View), each C module
having translated C strings should contain the line:
#include <libintl.h>
The remaining changes to your C sources are discussed in the further sections of this chapter.
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