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Annotation of 43BSDTahoe/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.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms are permitted
        !             6:  * provided that the above copyright notice and this paragraph are
        !             7:  * duplicated in all such forms and that any documentation,
        !             8:  * advertising materials, and other materials related to such
        !             9:  * distribution and use acknowledge that the software was developed
        !            10:  * by the University of California, Berkeley.  The name of the
        !            11:  * University may not be used to endorse or promote products derived
        !            12:  * from this software without specific prior written permission.
        !            13:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            14:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            15:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            16:  *
        !            17:  *     @(#)in_pcb.h    7.3 (Berkeley) 6/29/88
        !            18:  */
        !            19: 
        !            20: /*
        !            21:  * Common structure pcb for internet protocol implementation.
        !            22:  * Here are stored pointers to local and foreign host table
        !            23:  * entries, local and foreign socket numbers, and pointers
        !            24:  * up (to a socket structure) and down (to a protocol-specific)
        !            25:  * control block.
        !            26:  */
        !            27: struct inpcb {
        !            28:        struct  inpcb *inp_next,*inp_prev;
        !            29:                                        /* pointers to other pcb's */
        !            30:        struct  inpcb *inp_head;        /* pointer back to chain of inpcb's
        !            31:                                           for this protocol */
        !            32:        struct  in_addr inp_faddr;      /* foreign host table entry */
        !            33:        u_short inp_fport;              /* foreign port */
        !            34:        struct  in_addr inp_laddr;      /* local host table entry */
        !            35:        u_short inp_lport;              /* local port */
        !            36:        struct  socket *inp_socket;     /* back pointer to socket */
        !            37:        caddr_t inp_ppcb;               /* pointer to per-protocol pcb */
        !            38:        struct  route inp_route;        /* placeholder for routing entry */
        !            39:        struct  mbuf *inp_options;      /* IP options */
        !            40: };
        !            41: 
        !            42: #define        INPLOOKUP_WILDCARD      1
        !            43: #define        INPLOOKUP_SETLOCAL      2
        !            44: 
        !            45: #define        sotoinpcb(so)   ((struct inpcb *)(so)->so_pcb)
        !            46: 
        !            47: #ifdef KERNEL
        !            48: struct inpcb *in_pcblookup();
        !            49: #endif

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