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Annotation of 42BSD/sys/netpup/pup.h, revision 1.1.1.1

1.1       root        1: /*     pup.h   6.1     83/07/29        */
                      2: 
                      3: struct pupport {
                      4:        u_char  pup_net;
                      5:        u_char  pup_host;
                      6:        u_char  pup_socket[4];
                      7: };
                      8: 
                      9: /*
                     10:  * PUP header.
                     11:  */
                     12: struct pup_header {
                     13:        u_short pup_length;
                     14:        u_char  pup_tcontrol;           /* transport control */
                     15:        u_char  pup_type;               /* protocol type */
                     16:        u_long  pup_id;                 /* used by protocols */
                     17:        u_char  pup_dnet;               /* destination */
                     18:        u_char  pup_dhost;
                     19:        u_char  pup_dsock[4];
                     20:        u_char  pup_snet;               /* source */
                     21:        u_char  pup_shost;
                     22:        u_char  pup_ssock[4];
                     23: };
                     24: 
                     25: #define        PUP_TRACE       01              /* trace pup in network */
                     26: 
                     27: #define        MINPUPSIZ       (sizeof (struct pup_header) + sizeof (short))
                     28: #define        MAXPUPDATA      532
                     29: #define        MAXPUPSIZ       (MINPUPSIZ + MAXPUPDATA)
                     30: 
                     31: #define        PUP_NOCKSUM     0xffff          /* no checksum supplied */
                     32: 
                     33: /*
                     34:  * A sockaddr, as seen through the eyes of PUP.
                     35:  */
                     36: struct sockaddr_pup {
                     37:        short   spup_family;
                     38:        short   spup_zero1;
                     39:        u_char  spup_net;
                     40:        u_char  spup_host;
                     41:        u_char  spup_sock[4];
                     42:        char    spup_zero2[4];
                     43: };

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