/* 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 u_int32_t 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 ((u_int32_t __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 */