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The C and C++ Include Header Files

/usr/include/ntirpc/misc/socket.h


$ cat -n /usr/include/ntirpc/misc/socket.h

     1	/*-
     2	 * Copyright (c) 1982, 1985, 1986, 1988, 1993, 1994
     3	 *      The Regents of the University of California.  All rights reserved.
     4	 *
     5	 * Redistribution and use in source and binary forms, with or without
     6	 * modification, are permitted provided that the following conditions
     7	 * are met:
     8	 * 1. Redistributions of source code must retain the above copyright
     9	 *    notice, this list of conditions and the following disclaimer.
    10	 * 2. Redistributions in binary form must reproduce the above copyright
    11	 *    notice, this list of conditions and the following disclaimer in the
    12	 *    documentation and/or other materials provided with the distribution.
    13	 * 4. Neither the name of the University nor the names of its contributors
    14	 *    may be used to endorse or promote products derived from this software
    15	 *    without specific prior written permission.
    16	 *
    17	 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
    18	 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    19	 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    20	 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
    21	 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    22	 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
    23	 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    24	 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    25	 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    26	 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    27	 * SUCH DAMAGE.
    28	 *
    29	 *      @(#)socket.h    8.4 (Berkeley) 2/21/94
    30	 * $FreeBSD: stable/10/sys/sys/socket.h 254925 2013-08-26 18:16:05Z jhb $
    31	 */
    32	
    33	#ifndef MISC_SYS_SOCKET_H
    34	#define	MISC_SYS_SOCKET_H
    35	
    36	#include <sys/types.h>
    37	#if defined(__linux__)
    38	 /*
    39	  * While we may have more groups than this, the cmsgcred struct must
    40	  * be able to fit in an mbuf and we have historically supported a
    41	  * maximum of 16 groups.
    42	 */
    43	 #define CMGROUP_MAX 16
    44	
    45	 /*
    46	  * Credentials structure, used to verify the identity of a peer
    47	  * process that has sent us a message. This is allocated by the
    48	  * peer process but filled in by the kernel. This prevents the
    49	  * peer from lying about its identity. (Note that cmcred_groups[0]
    50	  * is the effective GID.)
    51	  */
    52	 struct cmsgcred {
    53	         pid_t   cmcred_pid;             /* PID of sending process */
    54	         uid_t   cmcred_uid;             /* real UID of sending process */
    55	         uid_t   cmcred_euid;            /* effective UID of sending process */
    56	         gid_t   cmcred_gid;             /* real GID of sending process */
    57	         short   cmcred_ngroups;         /* number or groups */
    58	         gid_t   cmcred_groups[CMGROUP_MAX];     /* groups */
    59	 };
    60	
    61	#endif /* __linux__ */
    62	
    63	#endif /* MISC_SYS_SOCKET_H */