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89 lines
2.1 KiB
C
89 lines
2.1 KiB
C
/*
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* Copyright (C) 2013-15 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @addtogroup posix_sockets
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* @{
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*/
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/**
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* @file
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* @brief Definitions for internet operations
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* @see <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/arpa_inet.h.html">
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* The Open Group Base Specifications Issue 7, <arpa/inet.h>
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* </a>
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*
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* @author Martine Lenders <mlenders@inf.fu-berlin.de>
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*/
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#ifndef ARPA_INET_H
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#define ARPA_INET_H
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#include "net/af.h"
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#include "sys/bytes.h"
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#include "netinet/in.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Size in byte of an IPv4 address
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*/
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#ifndef INADDRSZ
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#define INADDRSZ (4)
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#endif
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/**
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* @brief Size in byte of an IPv6 address
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*/
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#ifndef IN6ADDRSZ
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#define IN6ADDRSZ (16)
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#endif
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/**
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* @brief Converts an IP address to its string representation
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*
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* @pre (af == AF_INET) || (af == AF_INET6)
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*
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* @param[in] af Address family of @p src. Must be @ref AF_INET or @ref AF_INET6.
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* @param[in] src An IP address.
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* @param[out] dst The resulting string representation.
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* @param[in] size Length of @p result.
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*
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* @return @p dst, on success
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* @return NULL, if @p size was smaller than needed
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* @return NULL, if @p src or @p dst was NULL
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*/
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const char *inet_ntop(int af, const void *__restrict src, char *__restrict dst,
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socklen_t size);
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/**
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* @brief Converts an IP address string representation to a byte-represented
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* IP address
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*
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* @pre (af == AF_INET) || (af == AF_INET6)
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*
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* @param[in] af Address family of @p src. Must be @ref AF_INET or @ref AF_INET6.
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* @param[in] src An IP address string representation
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* @param[out] dst The resulting byte representation
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*
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* @return 1, on success.
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* @return 0, if @p src was malformed or input pointers were NULL.
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* @return -1, if @p af is not supported.
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*/
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int inet_pton(int af, const char *src, void *dst);
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#ifdef __cplusplus
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}
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#endif
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/**
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* @}
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*/
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#endif /* ARPA_INET_H */
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