find_color(GSListPtr candidate_colors, color_t *other_color)
find_color(GListPtr candidate_colors, color_t *other_color)
find_color(GSListPtr candidate_colors, color_t *other_color){	GSListPtr tmp = g_slist_find_custom(candidate_colors, other_color,					    gslist_color_compare);	if(tmp != NULL) {		return (color_t *)tmp->data;	}	return NULL;}