1 /* $OpenBSD: inet.h,v 1.19 2015/09/14 08:24:37 guenther Exp $ */ 2 3 /* 4 * ++Copyright++ 1983, 1993 5 * - 6 * Copyright (c) 1983, 1993 7 * The Regents of the University of California. All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * - 33 * Portions Copyright (c) 1993 by Digital Equipment Corporation. 34 * 35 * Permission to use, copy, modify, and distribute this software for any 36 * purpose with or without fee is hereby granted, provided that the above 37 * copyright notice and this permission notice appear in all copies, and that 38 * the name of Digital Equipment Corporation not be used in advertising or 39 * publicity pertaining to distribution of the document or software without 40 * specific, written prior permission. 41 * 42 * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL 43 * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES 44 * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT 45 * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 46 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 47 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS 48 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 49 * SOFTWARE. 50 * - 51 * --Copyright-- 52 */ 53 54 /* 55 * @(#)inet.h 8.1 (Berkeley) 6/2/93 56 * $From: inet.h,v 8.6 1996/08/08 06:54:29 vixie Exp $ 57 */ 58 59 #ifndef _INET_H_ 60 #define _INET_H_ 61 62 /* External definitions for functions in inet(3) */ 63 64 #include <sys/types.h> 65 66 /* <sys/_endian.h> is pulled in by <sys/types.h> */ 67 #ifndef htons 68 #define htons(x) __htobe16(x) 69 #define htonl(x) __htobe32(x) 70 #define ntohs(x) __htobe16(x) 71 #define ntohl(x) __htobe32(x) 72 #endif 73 74 #ifndef _SOCKLEN_T_DEFINED_ 75 #define _SOCKLEN_T_DEFINED_ 76 typedef __socklen_t socklen_t; /* length type for network syscalls */ 77 #endif 78 79 /* 80 * Buffer lengths for strings containing printable IP addresses 81 */ 82 #ifndef INET_ADDRSTRLEN 83 #define INET_ADDRSTRLEN 16 84 #endif 85 #ifndef INET6_ADDRSTRLEN 86 #define INET6_ADDRSTRLEN 46 87 #endif 88 89 #ifndef _IN_ADDR_DECLARED 90 #define _IN_ADDR_DECLARED 91 /* 92 * IP Version 4 Internet address (a structure for historical reasons) 93 */ 94 struct in_addr { 95 in_addr_t s_addr; 96 }; 97 #endif 98 99 100 __BEGIN_DECLS 101 in_addr_t inet_addr(const char *); 102 char *inet_ntoa(struct in_addr); 103 const char *inet_ntop(int, const void *__restrict, char *__restrict, 104 socklen_t) __attribute__ ((__bounded__(__string__,3,4))); 105 int inet_pton(int, const char *__restrict, void *__restrict); 106 107 #if __BSD_VISIBLE 108 int inet_aton(const char *, struct in_addr *); 109 in_addr_t inet_lnaof(struct in_addr); 110 struct in_addr inet_makeaddr(in_addr_t , in_addr_t); 111 char * inet_neta(in_addr_t, char *, size_t) 112 __attribute__((__bounded__(__string__,2,3))); 113 in_addr_t inet_netof(struct in_addr); 114 in_addr_t inet_network(const char *); 115 char *inet_net_ntop(int, const void *, int, char *, size_t) 116 __attribute__((__bounded__(__string__,4,5))); 117 int inet_net_pton(int, const char *, void *, size_t) 118 __attribute__((__bounded__(__string__,3,4))); 119 #endif /* __BSD_VISIBLE */ 120 __END_DECLS 121 122 #endif /* !_INET_H_ */ 123