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106 lines
4.2 KiB
C
106 lines
4.2 KiB
C
/* Copyright (C) 1997-2013 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _ARPA_INET_H
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#define _ARPA_INET_H 1
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#include <features.h>
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#include <netinet/in.h> /* To define `struct in_addr'. */
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/* Type for length arguments in socket calls. */
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#ifndef __socklen_t_defined
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typedef __socklen_t socklen_t;
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# define __socklen_t_defined
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#endif
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__BEGIN_DECLS
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/* Convert Internet host address from numbers-and-dots notation in CP
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into binary data in network byte order. */
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extern in_addr_t inet_addr (const char *__cp) __THROW;
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/* Return the local host address part of the Internet address in IN. */
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extern in_addr_t inet_lnaof (struct in_addr __in) __THROW;
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/* Make Internet host address in network byte order by combining the
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network number NET with the local address HOST. */
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extern struct in_addr inet_makeaddr (in_addr_t __net, in_addr_t __host)
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__THROW;
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/* Return network number part of the Internet address IN. */
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extern in_addr_t inet_netof (struct in_addr __in) __THROW;
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/* Extract the network number in network byte order from the address
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in numbers-and-dots natation starting at CP. */
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extern in_addr_t inet_network (const char *__cp) __THROW;
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/* Convert Internet number in IN to ASCII representation. The return value
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is a pointer to an internal array containing the string. */
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extern char *inet_ntoa (struct in_addr __in) __THROW;
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/* Convert from presentation format of an Internet number in buffer
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starting at CP to the binary network format and store result for
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interface type AF in buffer starting at BUF. */
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extern int inet_pton (int __af, const char *__restrict __cp,
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void *__restrict __buf) __THROW;
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/* Convert a Internet address in binary network format for interface
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type AF in buffer starting at CP to presentation form and place
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result in buffer of length LEN astarting at BUF. */
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extern const char *inet_ntop (int __af, const void *__restrict __cp,
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char *__restrict __buf, socklen_t __len)
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__THROW;
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/* The following functions are not part of XNS 5.2. */
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#ifdef __USE_MISC
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/* Convert Internet host address from numbers-and-dots notation in CP
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into binary data and store the result in the structure INP. */
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extern int inet_aton (const char *__cp, struct in_addr *__inp) __THROW;
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/* Format a network number NET into presentation format and place result
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in buffer starting at BUF with length of LEN bytes. */
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extern char *inet_neta (in_addr_t __net, char *__buf, size_t __len) __THROW;
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/* Convert network number for interface type AF in buffer starting at
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CP to presentation format. The result will specifiy BITS bits of
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the number. */
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extern char *inet_net_ntop (int __af, const void *__cp, int __bits,
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char *__buf, size_t __len) __THROW;
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/* Convert network number for interface type AF from presentation in
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buffer starting at CP to network format and store result int
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buffer starting at BUF of size LEN. */
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extern int inet_net_pton (int __af, const char *__cp,
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void *__buf, size_t __len) __THROW;
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/* Convert ASCII representation in hexadecimal form of the Internet
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address to binary form and place result in buffer of length LEN
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starting at BUF. */
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extern unsigned int inet_nsap_addr (const char *__cp,
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unsigned char *__buf, int __len) __THROW;
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/* Convert internet address in binary form in LEN bytes starting at CP
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a presentation form and place result in BUF. */
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extern char *inet_nsap_ntoa (int __len, const unsigned char *__cp,
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char *__buf) __THROW;
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#endif
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__END_DECLS
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#endif /* arpa/inet.h */
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