man save_tga (3): Saves a bitmap into a TGA file. Allegro game programming library.

save_tga(3) Saves a bitmap into a TGA file. Allegro game programming library.

SYNOPSIS

#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.