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Annotation of researchv9/sys/h/inet/udp.h, revision 1.1.1.1

1.1       root        1: /*     udp.h   6.1     83/07/29        */
                      2: 
                      3: typedef unsigned short udp_port;
                      4: #define UDPPORT_ANY    0x8000  /* wild card for port number */
                      5: 
                      6: #ifdef KERNEL
                      7: /*
                      8:  * Udp protocol header.
                      9:  * Per RFC 768, September, 1981.
                     10:  */
                     11: struct udphdr {
                     12:        u_short uh_sport;               /* source port */
                     13:        u_short uh_dport;               /* destination port */
                     14:        short   uh_ulen;                /* udp length */
                     15:        u_short uh_sum;                 /* udp checksum */
                     16: };
                     17: 
                     18: struct udp {
                     19:        int     flags;
                     20:        u_short dport;
                     21:        u_long  dst;
                     22:        u_short sport;
                     23:        u_long  src;
                     24:        struct queue *rq;
                     25:        struct block *head;
                     26:        struct block *tail;
                     27: };
                     28: /* values for udp flags */
                     29: #define        UDP_INIT        1
                     30: #define        UDP_LISTEN      2
                     31: #define UDP_CONNECTED  4
                     32: 
                     33: #endif KERNEL
                     34: 
                     35: #define UDP_BODY_LIMIT 512     /* maximum size of a UDP message body */

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