| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* Copyright (C) 1997, 1999, 2000, 2001, 2004 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | |
| 4 | The GNU C Library is free software; you can redistribute it and/or |
| 5 | modify it under the terms of the GNU Lesser General Public |
| 6 | License as published by the Free Software Foundation; either |
| 7 | version 2.1 of the License, or (at your option) any later version. |
| 8 | |
| 9 | The GNU C Library is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | Lesser General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU Lesser General Public |
| 15 | License along with the GNU C Library; if not, write to the Free |
| 16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 17 | 02111-1307 USA. */ |
| 18 | |
| 19 | #ifndef _ARPA_INET_H |
| 20 | #define _ARPA_INET_H 1 |
| 21 | |
| 22 | #include <features.h> |
| 23 | #include <netinet/in.h> /* To define `struct in_addr'. */ |
| 24 | |
| 25 | /* Type for length arguments in socket calls. */ |
| 26 | #ifndef __socklen_t_defined |
| 27 | typedef __socklen_t socklen_t; |
| 28 | # define __socklen_t_defined |
| 29 | #endif |
| 30 | |
| 31 | __BEGIN_DECLS |
| 32 | |
| 33 | /* Convert Internet host address from numbers-and-dots notation in CP |
| 34 | into binary data in network byte order. */ |
| 35 | extern in_addr_t inet_addr (__const char *__cp) __THROW; |
| 36 | libc_hidden_proto(inet_addr) |
| 37 | |
| 38 | /* Return the local host address part of the Internet address in IN. */ |
| 39 | extern in_addr_t inet_lnaof (struct in_addr __in) __THROW; |
| 40 | |
| 41 | /* Make Internet host address in network byte order by combining the |
| 42 | network number NET with the local address HOST. */ |
| 43 | extern struct in_addr inet_makeaddr (in_addr_t __net, in_addr_t __host) |
| 44 | __THROW; |
| 45 | libc_hidden_proto(inet_makeaddr) |
| 46 | |
| 47 | /* Return network number part of the Internet address IN. */ |
| 48 | extern in_addr_t inet_netof (struct in_addr __in) __THROW; |
| 49 | libc_hidden_proto(inet_netof) |
| 50 | |
| 51 | /* Extract the network number in network byte order from the address |
| 52 | in numbers-and-dots natation starting at CP. */ |
| 53 | extern in_addr_t inet_network (__const char *__cp) __THROW; |
| 54 | libc_hidden_proto(inet_network) |
| 55 | |
| 56 | /* Convert Internet number in IN to ASCII representation. The return value |
| 57 | is a pointer to an internal array containing the string. */ |
| 58 | extern char *inet_ntoa (struct in_addr __in) __THROW; |
| 59 | libc_hidden_proto(inet_ntoa) |
| 60 | #ifdef __UCLIBC__ |
| 61 | /* Recursion-safe flavor */ |
| 62 | extern char *inet_ntoa_r (struct in_addr __in, char *__buf) __THROW; |
| 63 | libc_hidden_proto(inet_ntoa_r) |
| 64 | #endif |
| 65 | |
| 66 | /* Convert from presentation format of an Internet number in buffer |
| 67 | starting at CP to the binary network format and store result for |
| 68 | interface type AF in buffer starting at BUF. */ |
| 69 | extern int inet_pton (int __af, __const char *__restrict __cp, |
| 70 | void *__restrict __buf) __THROW; |
| 71 | libc_hidden_proto(inet_pton) |
| 72 | |
| 73 | /* Convert a Internet address in binary network format for interface |
| 74 | type AF in buffer starting at CP to presentation form and place |
| 75 | result in buffer of length LEN astarting at BUF. */ |
| 76 | extern __const char *inet_ntop (int __af, __const void *__restrict __cp, |
| 77 | char *__restrict __buf, socklen_t __len) |
| 78 | __THROW; |
| 79 | libc_hidden_proto(inet_ntop) |
| 80 | |
| 81 | |
| 82 | /* The following functions are not part of XNS 5.2. */ |
| 83 | #ifdef __USE_MISC |
| 84 | /* Convert Internet host address from numbers-and-dots notation in CP |
| 85 | into binary data and store the result in the structure INP. */ |
| 86 | extern int inet_aton (__const char *__cp, struct in_addr *__inp) __THROW; |
| 87 | libc_hidden_proto(inet_aton) |
| 88 | |
| 89 | #if 0 |
| 90 | /* Format a network number NET into presentation format and place result |
| 91 | in buffer starting at BUF with length of LEN bytes. */ |
| 92 | extern char *inet_neta (in_addr_t __net, char *__buf, size_t __len) __THROW; |
| 93 | |
| 94 | /* Convert network number for interface type AF in buffer starting at |
| 95 | CP to presentation format. The result will specifiy BITS bits of |
| 96 | the number. */ |
| 97 | extern char *inet_net_ntop (int __af, __const void *__cp, int __bits, |
| 98 | char *__buf, size_t __len) __THROW; |
| 99 | |
| 100 | /* Convert network number for interface type AF from presentation in |
| 101 | buffer starting at CP to network format and store result int |
| 102 | buffer starting at BUF of size LEN. */ |
| 103 | extern int inet_net_pton (int __af, __const char *__cp, |
| 104 | void *__buf, size_t __len) __THROW; |
| 105 | |
| 106 | /* Convert ASCII representation in hexadecimal form of the Internet |
| 107 | address to binary form and place result in buffer of length LEN |
| 108 | starting at BUF. */ |
| 109 | extern unsigned int inet_nsap_addr (__const char *__cp, |
| 110 | unsigned char *__buf, int __len) __THROW; |
| 111 | |
| 112 | /* Convert internet address in binary form in LEN bytes starting at CP |
| 113 | a presentation form and place result in BUF. */ |
| 114 | extern char *inet_nsap_ntoa (int __len, __const unsigned char *__cp, |
| 115 | char *__buf) __THROW; |
| 116 | #endif |
| 117 | #endif |
| 118 | |
| 119 | __END_DECLS |
| 120 | |
| 121 | #endif /* arpa/inet.h */ |