gdImageColorClosestHWB  121 gd/gd.c        int gdImageColorClosestHWB(gdImagePtr im, int r, int g, int b);
gdImageColorClosestHWB 3032 gd/gd.c        	RETURN_LONG(gdImageColorClosestHWB(im, red, green, blue));
gdImageColorClosestHWB  400 gd/libgd/gd.h  int gdImageColorClosestHWB(gdImagePtr im, int r, int g, int b);