2 unsigned char *load_pixmap(char *filename, int *width, int *height);
4 int load_RGB_pixmap(char *filename, int *width, int *height,
5 unsigned char**R_data, unsigned char**G_data, unsigned char**B_data);
7 void store_pixmap(char *filename, unsigned char *data, int width, int height);
9 void store_RGB_pixmap(char *filename,
10 unsigned char *R_data, unsigned char *G_data, unsigned char *B_data,
11 int width, int height);