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/* Copyright (C) 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef _ARPA_INET_H
#define _ARPA_INET_H 1
#include <features.h>
#include <sys/types.h>
#include <netinet/in.h> /* To define `struct in_addr'. */
__BEGIN_DECLS
/* Convert Internet host address from numbers-and-dots notation in CP
into binary data in network byte order. */
extern unsigned long int inet_addr __P ((__const char *__cp));
/* Convert Internet host address from numbers-and-dots notation in CP
into binary data and store the result in the structure INP. */
extern int inet_aton __P ((__const char *__cp, struct in_addr *__inp));
/* Return the local host address part of the Internet address in IN. */
extern u_int32_t inet_lnaof __P ((struct in_addr __in));
/* Make Internet host address in network byte order by combining the
network number NET with the local address HOST. */
extern struct in_addr inet_makeaddr __P ((u_int32_t __net, u_int32_t __host));
/* Format a network number NET into presentation format and place result
in buffer starting at BUF with length of LEN bytes. */
extern char *inet_neta __P ((unsigned long int __net, char *__buf,
size_t __len));
/* Return network number part of the Internet address IN. */
extern u_int32_t inet_netof __P ((struct in_addr __in));
/* Extract the network number in network byte order from the address
in numbers-and-dots natation starting at CP. */
extern u_int32_t inet_network __P ((__const char *__cp));
/* Convert network number for interface type AF in buffer starting at
CP to presentation format. The result will specifiy BITS bits of
the number. */
extern char *inet_net_ntop __P ((int __af, __const void *__cp, int __bits,
char *__buf, size_t __len));
/* Convert network number for interface type AF from presentation in
buffer starting at CP to network format and store result int
buffer starting at BUF of size LEN. */
extern int inet_net_pton __P ((int __af, __const char *__cp,
void *__buf, size_t __len));
/* Convert Internet number in IN to ASCII representation. The return value
is a pointer to an internal array containing the string. */
extern char *inet_ntoa __P ((struct in_addr __in));
/* Convert from presentation format of an Internet number in buffer
starting at CP to the binary network format and store result for
interface type AF in buffer starting at BUF. */
extern int inet_pton __P ((int __af, __const char *__cp, void *__buf));
/* Convert a Internet address in binary network format for interface
type AF in buffer starting at CP to presentation form and place
result in buffer of length LEN astarting at BUF. */
extern __const char *inet_ntop __P ((int __af, __const void *__cp,
char *__buf, size_t __len));
/* Convert ASCII representation in hexadecimal form of the Internet
address to binary form and place result in buffer of length LEN
starting at BUF. */
extern unsigned int inet_nsap_addr __P ((__const char *__cp,
unsigned char *__buf, int __len));
/* Convert internet address in binary form in LEN bytes starting at CP
a presentation form and place result in BUF. */
extern char *inet_nsap_ntoa __P ((int __len, __const unsigned char *__cp,
char *__buf));
__END_DECLS
#endif /* arpa/inet.h */
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