zfirst            306 dev/ic/rln.c   	int 		zfirst;
zfirst            314 dev/ic/rln.c   	zfirst = ((*mtod(m0, u_int8_t *) & 1) == 0);
zfirst            318 dev/ic/rln.c   		   (zfirst ? RLN_MM_SENDPACKET_MODE_ZFIRST : 0) |