| /* Copyright (C) 1997-2013 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 Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 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 |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef _ARPA_INET_H |
| #define _ARPA_INET_H 1 |
| |
| #include <features.h> |
| #include <netinet/in.h> /* To define `struct in_addr'. */ |
| |
| /* Type for length arguments in socket calls. */ |
| #ifndef __socklen_t_defined |
| typedef __socklen_t socklen_t; |
| # define __socklen_t_defined |
| #endif |
| |
| __BEGIN_DECLS |
| |
| /* Convert Internet host address from numbers-and-dots notation in CP |
| into binary data in network byte order. */ |
| extern in_addr_t inet_addr (const char *__cp) __THROW; |
| |
| /* Return the local host address part of the Internet address in IN. */ |
| extern in_addr_t inet_lnaof (struct in_addr __in) __THROW; |
| |
| /* 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 (in_addr_t __net, in_addr_t __host) |
| __THROW; |
| |
| /* Return network number part of the Internet address IN. */ |
| extern in_addr_t inet_netof (struct in_addr __in) __THROW; |
| |
| /* Extract the network number in network byte order from the address |
| in numbers-and-dots natation starting at CP. */ |
| extern in_addr_t inet_network (const char *__cp) __THROW; |
| |
| /* 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 (struct in_addr __in) __THROW; |
| |
| /* 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 (int __af, const char *__restrict __cp, |
| void *__restrict __buf) __THROW; |
| |
| /* 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 (int __af, const void *__restrict __cp, |
| char *__restrict __buf, socklen_t __len) |
| __THROW; |
| |
| |
| /* The following functions are not part of XNS 5.2. */ |
| #ifdef __USE_MISC |
| /* 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 (const char *__cp, struct in_addr *__inp) __THROW; |
| |
| /* 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 (in_addr_t __net, char *__buf, size_t __len) __THROW; |
| |
| /* 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 (int __af, const void *__cp, int __bits, |
| char *__buf, size_t __len) __THROW; |
| |
| /* 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 (int __af, const char *__cp, |
| void *__buf, size_t __len) __THROW; |
| |
| /* 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 (const char *__cp, |
| unsigned char *__buf, int __len) __THROW; |
| |
| /* 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 (int __len, const unsigned char *__cp, |
| char *__buf) __THROW; |
| #endif |
| |
| __END_DECLS |
| |
| #endif /* arpa/inet.h */ |