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Annotation of 43BSD/sys/netinet/in_pcb.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1982, 1986 Regents of the University of California.
                      3:  * All rights reserved.  The Berkeley software License Agreement
                      4:  * specifies the terms and conditions for redistribution.
                      5:  *
                      6:  *     @(#)in_pcb.h    7.1 (Berkeley) 6/5/86
                      7:  */
                      8: 
                      9: /*
                     10:  * Common structure pcb for internet protocol implementation.
                     11:  * Here are stored pointers to local and foreign host table
                     12:  * entries, local and foreign socket numbers, and pointers
                     13:  * up (to a socket structure) and down (to a protocol-specific)
                     14:  * control block.
                     15:  */
                     16: struct inpcb {
                     17:        struct  inpcb *inp_next,*inp_prev;
                     18:                                        /* pointers to other pcb's */
                     19:        struct  inpcb *inp_head;        /* pointer back to chain of inpcb's
                     20:                                           for this protocol */
                     21:        struct  in_addr inp_faddr;      /* foreign host table entry */
                     22:        u_short inp_fport;              /* foreign port */
                     23:        struct  in_addr inp_laddr;      /* local host table entry */
                     24:        u_short inp_lport;              /* local port */
                     25:        struct  socket *inp_socket;     /* back pointer to socket */
                     26:        caddr_t inp_ppcb;               /* pointer to per-protocol pcb */
                     27:        struct  route inp_route;        /* placeholder for routing entry */
                     28:        struct  mbuf *inp_options;      /* IP options */
                     29: };
                     30: 
                     31: #define        INPLOOKUP_WILDCARD      1
                     32: #define        INPLOOKUP_SETLOCAL      2
                     33: 
                     34: #define        sotoinpcb(so)   ((struct inpcb *)(so)->so_pcb)
                     35: 
                     36: #ifdef KERNEL
                     37: struct inpcb *in_pcblookup();
                     38: #endif

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