| Current Path : /usr/local/include/dnet/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //usr/local/include/dnet/udp.h |
/*
* udp.h
*
* User Datagram Protocol (RFC 768).
*
* Copyright (c) 2000 Dug Song <dugsong@monkey.org>
*
* $Id: udp.h,v 1.8 2002/04/02 05:05:39 dugsong Exp $
*/
#ifndef DNET_UDP_H
#define DNET_UDP_H
#define UDP_HDR_LEN 8
struct udp_hdr {
uint16_t uh_sport; /* source port */
uint16_t uh_dport; /* destination port */
uint16_t uh_ulen; /* udp length (including header) */
uint16_t uh_sum; /* udp checksum */
};
#define UDP_PORT_MAX 65535
#define udp_pack_hdr(hdr, sport, dport, ulen) do { \
struct udp_hdr *udp_pack_p = (struct udp_hdr *)(hdr); \
udp_pack_p->uh_sport = htons(sport); \
udp_pack_p->uh_dport = htons(dport); \
udp_pack_p->uh_ulen = htons(ulen); \
} while (0)
#endif /* DNET_UDP_H */