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