gdImageColorExact 2978 ext/gd/gd.c    	RETURN_LONG(gdImageColorExact(im, red, green, blue));
gdImageColorExact 2328 ext/gd/libgd/gd.c 				nc = gdImageColorExact(dst, ncR, ncG, ncB);
gdImageColorExact  522 ext/gd/libgd/gd.h int gdImageColorExact(gdImagePtr im, int r, int g, int b);