Saves a bitmap into a tga file. allegro game programming library.
#include <allegro.h>
int save_tga(const char *filename, BITMAP *bmp, const RGB *pal);
Writes a bitmap into a 256-color, 15-bit hicolor, 24-bit truecolor, or 32-bit truecolor+alpha TGA file.
Returns non-zero on error.
save_bitmap(3alleg4)