4.3BSD - /usr/src/sys/netinet/udp.h

   1: /*
   2:  * Copyright (c) 1982, 1986 Regents of the University of California.
   3:  * All rights reserved.  The Berkeley software License Agreement
   4:  * specifies the terms and conditions for redistribution.
   5:  *
   6:  *	@(#)udp.h	7.1 (Berkeley) 6/5/86
   7:  */
   8: 
   9: /*
  10:  * Udp protocol header.
  11:  * Per RFC 768, September, 1981.
  12:  */
  13: struct udphdr {
  14:     u_short uh_sport;       /* source port */
  15:     u_short uh_dport;       /* destination port */
  16:     short   uh_ulen;        /* udp length */
  17:     u_short uh_sum;         /* udp checksum */
  18: };

Defined struct's

Usage of this include