firstZero         242 ext/gd/libgd/gd_png.c 				int firstZero = 1;
firstZero         246 ext/gd/libgd/gd_png.c 					if ((trans[i] == 0) && (firstZero)) {
firstZero         248 ext/gd/libgd/gd_png.c 						firstZero = 0;