int lbx_img_loadpalette(void *f, const struct lbx_file_ops *fops,
struct lbx_colour palette[static 256]);
int lbx_img_getpalette(struct lbx_image *img,
int lbx_img_loadpalette(void *f, const struct lbx_file_ops *fops,
struct lbx_colour palette[static 256]);
int lbx_img_getpalette(struct lbx_image *img,