Listing 1. Example Program

#include <ggi/ggi.h>
ggi_visual_t visual;
int main(void)
{
	ggiInit();
	visual=ggiOpen(NULL);
	ggiSetGraphMode(vis,visx,visy,virtx,virty,GT_24BIT);
	for(x=0;x<200;x++) {
		ggiSetGCForeground(vis,rand());
		ggiDrawPixel(vis,x,x);
	}
	for(x=0;x<200;x++) {
		ggiPutPixel(vis,x,199-x,rand());
	}
	ggiDrawLine(vis,10,20,190,180);
	ggiDrawBox(vis,90,90,20,20);
	ggiEventPoll(vis,emMouse|emKeyboard,NULL);
	ggiGetc(vis);
	ggiClose(vis);
	ggiExit();
}