udp.h

在51单片机上是实现的tcpip源程序

/* UDP port numbers */
#define ECHOPORT    7       /* Echo */
#define MINEPORT    1024    /* Start of ephemeral (temporary) port numbers */
#define MAXEPORT    9999    /* Max ephemeral port number */
#define MYPORT      9000	/* my used UDP Port No. */

/* Prototypes */
int  is_udp(IPKT *ip, int len);
int  make_udp(ETHERFRAME *efp, NODE *srcep, NODE *destp, WORD dlen);
WORD check_udp(UDPKT *udp, LWORD sip, LWORD dip, int ulen);
void udp_transmit(ETHERFRAME *efp, NODE *sp, NODE *dp, void *dat, int len);
void getudp_srce(ETHERFRAME *efp, NODE *np);
int  getudp_locdest(ETHERFRAME *efp, NODE *np);
#ifdef udpdebug
		void disp_udp(UDPKT *udp, int dlen, int tx);
#endif


/* EOF */