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Annotation of 42BSD/sys/netinet/in_pcb.h, revision 1.1.1.1

1.1       root        1: /*     in_pcb.h        6.1     83/07/29        */
                      2: 
                      3: /*
                      4:  * Common structure pcb for internet protocol implementation.
                      5:  * Here are stored pointers to local and foreign host table
                      6:  * entries, local and foreign socket numbers, and pointers
                      7:  * up (to a socket structure) and down (to a protocol-specific)
                      8:  * control block.
                      9:  */
                     10: struct inpcb {
                     11:        struct  inpcb *inp_next,*inp_prev;
                     12:                                        /* pointers to other pcb's */
                     13:        struct  inpcb *inp_head;        /* pointer back to chain of inpcb's
                     14:                                           for this protocol */
                     15:        struct  in_addr inp_faddr;      /* foreign host table entry */
                     16:        u_short inp_fport;              /* foreign port */
                     17:        struct  in_addr inp_laddr;      /* local host table entry */
                     18:        u_short inp_lport;              /* local port */
                     19:        struct  socket *inp_socket;     /* back pointer to socket */
                     20:        caddr_t inp_ppcb;               /* pointer to per-protocol pcb */
                     21:        struct  route inp_route;        /* placeholder for routing entry */
                     22: };
                     23: 
                     24: #define        INPLOOKUP_WILDCARD      1
                     25: #define        INPLOOKUP_SETLOCAL      2
                     26: 
                     27: #define        sotoinpcb(so)   ((struct inpcb *)(so)->so_pcb)
                     28: 
                     29: #ifdef KERNEL
                     30: struct inpcb *in_pcblookup();
                     31: #endif

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