net: add arpa/inet.h from freebsd

bsd/include/arpa/inet.h

+/*
+ * ++Copyright++ 1983, 1993
+ * -
+ * Copyright (c) 1983, 1993
+ *    The Regents of the University of California.  All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * -
+ * Portions Copyright (c) 1993 by Digital Equipment Corporation.
+ * 
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies, and that
+ * the name of Digital Equipment Corporation not be used in advertising or
+ * publicity pertaining to distribution of the document or software without
+ * specific, written prior permission.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
+ * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ * -
+ * --Copyright--
+ */
+
+/*%
+ *	@(#)inet.h	8.1 (Berkeley) 6/2/93
+ *	$Id: inet.h,v 1.2.18.1 2005/04/27 05:00:50 sra Exp $
+ * $FreeBSD$
+ */
+
+#ifndef _ARPA_INET_H_
+#define	_ARPA_INET_H_
+
+/* External definitions for functions in inet(3). */
+
+#include <sys/cdefs.h>
+
+/* Required for byteorder(3) functions. */
+#include <bsd/machine/endian.h>
+
+#define	INET_ADDRSTRLEN		16
+#define	INET6_ADDRSTRLEN	46
+
+#ifndef _UINT16_T_DECLARED
+typedef	__uint16_t	uint16_t;
+#define	_UINT16_T_DECLARED
+#endif
+
+#ifndef _UINT32_T_DECLARED
+typedef	__uint32_t	uint32_t;
+#define	_UINT32_T_DECLARED
+#endif
+
+#ifndef _IN_ADDR_T_DECLARED
+typedef	uint32_t	in_addr_t;
+#define	_IN_ADDR_T_DECLARED
+#endif
+
+#ifndef _IN_PORT_T_DECLARED
+typedef	uint16_t	in_port_t;
+#define	_IN_PORT_T_DECLARED
+#endif
+
+#if __BSD_VISIBLE
+#ifndef _SIZE_T_DECLARED
+typedef	__size_t	size_t;
+#define	_SIZE_T_DECLARED
+#endif
+#endif
+
+/*
+ * XXX socklen_t is used by a POSIX.1-2001 interface, but not required by
+ * POSIX.1-2001.
+ */
+#ifndef _SOCKLEN_T_DECLARED
+typedef	__socklen_t	socklen_t;
+#define	_SOCKLEN_T_DECLARED
+#endif
+
+#ifndef _STRUCT_IN_ADDR_DECLARED
+struct in_addr {
+	in_addr_t s_addr;
+};
+#define	_STRUCT_IN_ADDR_DECLARED
+#endif
+
+__BEGIN_DECLS
+#ifndef _BYTEORDER_PROTOTYPED
+#define	_BYTEORDER_PROTOTYPED
+uint32_t	 htonl(uint32_t);
+uint16_t	 htons(uint16_t);
+uint32_t	 ntohl(uint32_t);
+uint16_t	 ntohs(uint16_t);
+#endif
+
+in_addr_t	 inet_addr(const char *);
+/*const*/ char	*inet_ntoa(struct in_addr);
+const char	*inet_ntop(int, const void * __restrict, char * __restrict,
+		    socklen_t);
+int		 inet_pton(int, const char * __restrict, void * __restrict);
+
+#if __BSD_VISIBLE
+int		 inet_aton(const char *, struct in_addr *);
+in_addr_t	 inet_lnaof(struct in_addr);
+struct in_addr	 inet_makeaddr(in_addr_t, in_addr_t);
+char *		 inet_neta(in_addr_t, char *, size_t);
+in_addr_t	 inet_netof(struct in_addr);
+in_addr_t	 inet_network(const char *);
+char		*inet_net_ntop(int, const void *, int, char *, size_t);
+int		 inet_net_pton(int, const char *, void *, size_t);
+char		*inet_ntoa_r(struct in_addr, char *buf, socklen_t size);
+char		*inet_cidr_ntop(int, const void *, int, char *, size_t);
+int		 inet_cidr_pton(int, const char *, void *, int *);
+unsigned	 inet_nsap_addr(const char *, unsigned char *, int);
+char		*inet_nsap_ntoa(int, const unsigned char *, char *);
+#endif /* __BSD_VISIBLE */
+__END_DECLS
+
+#ifndef _BYTEORDER_FUNC_DEFINED
+#define	_BYTEORDER_FUNC_DEFINED
+#define	htonl(x)	__htonl(x)
+#define	htons(x)	__htons(x)
+#define	ntohl(x)	__ntohl(x)
+#define	ntohs(x)	__ntohs(x)
+#endif
+
+#endif /* !_ARPA_INET_H_ */
+
+/*! \file */