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Annotation of 43BSDTahoe/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.
                      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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