Variables starting with `u' in netinet

• udb netinet/udp_usrreq.c:57
• udpcksum netinet/udp_usrreq.c:70
• udp_sendspace netinet/udp_usrreq.c:365
• udps_opackets netinet/udp_var.h:71
• UDP_TTL netinet/udp_usrreq.c:74
• uh_sum netinet/udp.h:49
• ui_u netinet/udp_var.h:46
• useloopback netinet/if_ether.c:161