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/*
* udp.h
*
* User Datagram Protocol (RFC 768).
*
* Copyright (c) 2000 Dug Song <dugsong@monkey.org>
*
* $Id: udp.h 330 2002-04-02 05:05:39Z dugsong $
*/
#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 */