png_destroy_write_struct  494 ext/gd/libgd/gd_png.c 		png_destroy_write_struct (&png_ptr, (png_infopp) NULL);
png_destroy_write_struct  502 ext/gd/libgd/gd_png.c 		png_destroy_write_struct (&png_ptr, &info_ptr);
png_destroy_write_struct  754 ext/gd/libgd/gd_png.c 	png_destroy_write_struct(&png_ptr, &info_ptr);