PF_OP_XRG        1799 net/pf.c       	case PF_OP_XRG:
PF_OP_XRG          67 net/pfvar.h    	  PF_OP_LE, PF_OP_GT, PF_OP_GE, PF_OP_XRG, PF_OP_RRG };