HWB_UNDEFINED     347 libgd/gd.c     		RETURN_HWB(HWB_UNDEFINED, w, b);
HWB_UNDEFINED     372 libgd/gd.c     	if ((HWB1.H == HWB_UNDEFINED) || (HWB2.H == HWB_UNDEFINED)) {
HWB_UNDEFINED     403 libgd/gd.c     	if (h == HWB_UNDEFINED) {