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author | cvs2svn <admin@example.com> | 2025-04-14 17:32:06 +0000 |
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committer | cvs2svn <admin@example.com> | 2025-04-14 17:32:06 +0000 |
commit | eb8dd9dca1228af0cd132f515509051ecfabf6f6 (patch) | |
tree | edb6da6af7e865d488dc1a29309f1e1ec226e603 /src/lib/libc/net/getnetent.3 | |
parent | 247f0352e0ed72a4f476db9dc91f4d982bc83eb2 (diff) | |
download | openbsd-tb_20250414.tar.gz openbsd-tb_20250414.tar.bz2 openbsd-tb_20250414.zip |
This commit was manufactured by cvs2git to create tag 'tb_20250414'.tb_20250414
Diffstat (limited to 'src/lib/libc/net/getnetent.3')
-rw-r--r-- | src/lib/libc/net/getnetent.3 | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/src/lib/libc/net/getnetent.3 b/src/lib/libc/net/getnetent.3 deleted file mode 100644 index da2c4ef4a3..0000000000 --- a/src/lib/libc/net/getnetent.3 +++ /dev/null | |||
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1 | .\" $OpenBSD: getnetent.3,v 1.19 2019/08/30 20:20:51 jmc Exp $ | ||
2 | .\" | ||
3 | .\" Copyright (c) 1983, 1991, 1993 | ||
4 | .\" The Regents of the University of California. All rights reserved. | ||
5 | .\" | ||
6 | .\" Redistribution and use in source and binary forms, with or without | ||
7 | .\" modification, are permitted provided that the following conditions | ||
8 | .\" are met: | ||
9 | .\" 1. Redistributions of source code must retain the above copyright | ||
10 | .\" notice, this list of conditions and the following disclaimer. | ||
11 | .\" 2. Redistributions in binary form must reproduce the above copyright | ||
12 | .\" notice, this list of conditions and the following disclaimer in the | ||
13 | .\" documentation and/or other materials provided with the distribution. | ||
14 | .\" 3. Neither the name of the University nor the names of its contributors | ||
15 | .\" may be used to endorse or promote products derived from this software | ||
16 | .\" without specific prior written permission. | ||
17 | .\" | ||
18 | .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | ||
19 | .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
20 | .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
21 | .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | ||
22 | .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
23 | .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
24 | .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
25 | .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
26 | .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
27 | .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
28 | .\" SUCH DAMAGE. | ||
29 | .\" | ||
30 | .Dd $Mdocdate: August 30 2019 $ | ||
31 | .Dt GETNETENT 3 | ||
32 | .Os | ||
33 | .Sh NAME | ||
34 | .Nm getnetent , | ||
35 | .Nm getnetbyaddr , | ||
36 | .Nm getnetbyname , | ||
37 | .Nm setnetent , | ||
38 | .Nm endnetent | ||
39 | .Nd get network entry | ||
40 | .Sh SYNOPSIS | ||
41 | .In netdb.h | ||
42 | .Ft struct netent * | ||
43 | .Fn getnetent "void" | ||
44 | .Ft struct netent * | ||
45 | .Fn getnetbyname "const char *name" | ||
46 | .Ft struct netent * | ||
47 | .Fn getnetbyaddr "in_addr_t net" "int type" | ||
48 | .Ft void | ||
49 | .Fn setnetent "int stayopen" | ||
50 | .Ft void | ||
51 | .Fn endnetent "void" | ||
52 | .Sh DESCRIPTION | ||
53 | The | ||
54 | .Fn getnetbyname | ||
55 | and | ||
56 | .Fn getnetbyaddr | ||
57 | functions return a pointer to an object with the following structure: | ||
58 | .Bd -literal -offset indent | ||
59 | struct netent { | ||
60 | char *n_name; /* official name of net */ | ||
61 | char **n_aliases; /* alias list */ | ||
62 | int n_addrtype; /* net number type */ | ||
63 | in_addr_t n_net; /* net number */ | ||
64 | }; | ||
65 | .Ed | ||
66 | .Pp | ||
67 | The members of this structure are: | ||
68 | .Bl -tag -width n_addrtype | ||
69 | .It Fa n_name | ||
70 | The official name of the network. | ||
71 | .It Fa n_aliases | ||
72 | A null-terminated list of alternate names for the network. | ||
73 | .It Fa n_addrtype | ||
74 | The type of the network number returned; it is always | ||
75 | .Dv AF_INET . | ||
76 | .It Fa n_net | ||
77 | The network number. | ||
78 | Network numbers are returned in machine byte order. | ||
79 | .El | ||
80 | .Pp | ||
81 | On | ||
82 | .Ox , | ||
83 | these legacy functions perform a lookup in a similar fashion as | ||
84 | .Xr gethostbyname 3 | ||
85 | and | ||
86 | .Xr gethostbyaddr 3 , | ||
87 | respectively. | ||
88 | On other systems, they may use a separate network database file, | ||
89 | .Pa /etc/networks . | ||
90 | .Pp | ||
91 | In contrast to | ||
92 | .Xr gethostbyaddr 3 , | ||
93 | the | ||
94 | .Fa net | ||
95 | argument is expected in machine byte order. | ||
96 | .Pp | ||
97 | The | ||
98 | .Fn setnetent , | ||
99 | .Fn getnetent , | ||
100 | and | ||
101 | .Fn endnetent | ||
102 | functions are deprecated and no longer have any effect. | ||
103 | They could be used in the past to iterate over entries in the former file | ||
104 | .Pa /etc/networks . | ||
105 | .Sh RETURN VALUES | ||
106 | The | ||
107 | .Fn getnetbyaddr | ||
108 | and | ||
109 | .Fn getnetbyname | ||
110 | functions return | ||
111 | .Dv NULL | ||
112 | if the requested entry is not found. | ||
113 | .Pp | ||
114 | The | ||
115 | .Fn getnetent | ||
116 | function always returns | ||
117 | .Dv NULL . | ||
118 | .Sh FILES | ||
119 | .Bl -tag -width /etc/hosts -compact | ||
120 | .It Pa /etc/hosts | ||
121 | The local host and network name database. | ||
122 | .El | ||
123 | .Sh SEE ALSO | ||
124 | .Xr getaddrinfo 3 , | ||
125 | .Xr gethostbyname 3 , | ||
126 | .Xr getnameinfo 3 , | ||
127 | .Xr res_init 3 , | ||
128 | .Xr hosts 5 | ||
129 | .Sh STANDARDS | ||
130 | These functions conform to | ||
131 | .St -p1003.1-2008 . | ||
132 | .Sh HISTORY | ||
133 | The | ||
134 | .Fn getnetent , | ||
135 | .Fn getnetbyaddr , | ||
136 | .Fn getnetbyname , | ||
137 | .Fn setnetent , | ||
138 | and | ||
139 | .Fn endnetent | ||
140 | functions appeared in | ||
141 | .Bx 4.2 . | ||
142 | .Sh BUGS | ||
143 | The data space used by these functions is static; if future use | ||
144 | requires the data, it should be copied before any subsequent calls | ||
145 | to these functions overwrite it. | ||
146 | Only Internet network numbers are currently understood. | ||
147 | Expecting network numbers to fit in no more than 32 bits is naive. | ||