rectfill(3) - Linux man page
Name
rectfill - Draws a solid filled rectangle. Allegro game programming library.Synopsis
#include <allegro.h>void rectfill(BITMAP *bmp, int x1, int y1, int x2, int y2, int color);
void rectfill(BITMAP *bmp, int x1, int y1, int x2, int y2, int color);