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      1 /*	$NetBSD: msgio.h,v 1.2 2018/09/08 14:02:15 christos Exp $	*/
      2 
      3 /*-
      4  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      5  *
      6  * Copyright (c) 2013 The FreeBSD Foundation
      7  * All rights reserved.
      8  *
      9  * This software was developed by Pawel Jakub Dawidek under sponsorship from
     10  * the FreeBSD Foundation.
     11  *
     12  * Copyright (c) 2013 Mariusz Zaborski <oshogbo (at) FreeBSD.org>
     13  *
     14  * Redistribution and use in source and binary forms, with or without
     15  * modification, are permitted provided that the following conditions
     16  * are met:
     17  * 1. Redistributions of source code must retain the above copyright
     18  *    notice, this list of conditions and the following disclaimer.
     19  * 2. Redistributions in binary form must reproduce the above copyright
     20  *    notice, this list of conditions and the following disclaimer in the
     21  *    documentation and/or other materials provided with the distribution.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  *
     35  * $FreeBSD: head/lib/libnv/msgio.h 326219 2017-11-26 02:00:33Z pfg $
     36  */
     37 
     38 #ifndef	_MSGIO_H_
     39 #define	_MSGIO_H_
     40 
     41 struct cmsgcred;
     42 struct iovec;
     43 struct msghdr;
     44 
     45 int cred_send(int sock);
     46 int cred_recv(int sock, struct cmsgcred *cred);
     47 
     48 int fd_send(int sock, const int *fds, size_t nfds);
     49 int fd_recv(int sock, int *fds, size_t nfds);
     50 
     51 int buf_send(int sock, void *buf, size_t size);
     52 int buf_recv(int sock, void *buf, size_t size);
     53 
     54 #endif	/* !_MSGIO_H_ */
     55