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Diffstat (limited to 'src/lib/libc/net/htonl.3')
-rw-r--r-- | src/lib/libc/net/htonl.3 | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/src/lib/libc/net/htonl.3 b/src/lib/libc/net/htonl.3 deleted file mode 100644 index 65fa9a53b5..0000000000 --- a/src/lib/libc/net/htonl.3 +++ /dev/null | |||
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1 | .\" $OpenBSD: htonl.3,v 1.6 2022/09/11 06:38:10 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: September 11 2022 $ | ||
31 | .Dt HTONL 3 | ||
32 | .Os | ||
33 | .Sh NAME | ||
34 | .Nm htonl , | ||
35 | .Nm htons , | ||
36 | .Nm ntohl , | ||
37 | .Nm ntohs | ||
38 | .Nd convert values between host and network byte orderings | ||
39 | .Sh SYNOPSIS | ||
40 | .In arpa/inet.h | ||
41 | .Ft uint32_t | ||
42 | .Fn htonl "uint32_t host32" | ||
43 | .Ft uint16_t | ||
44 | .Fn htons "uint16_t host16" | ||
45 | .Ft uint32_t | ||
46 | .Fn ntohl "uint32_t net32" | ||
47 | .Ft uint16_t | ||
48 | .Fn ntohs "uint16_t net16" | ||
49 | .Sh DESCRIPTION | ||
50 | These routines convert 16 and 32-bit quantities between different | ||
51 | byte orderings. | ||
52 | .Pp | ||
53 | The | ||
54 | .Fn htonl | ||
55 | and | ||
56 | .Fn htons | ||
57 | functions convert quantities from host to network byte order while the | ||
58 | .Fn ntohl | ||
59 | and | ||
60 | .Fn ntohs | ||
61 | functions convert in the other direction. | ||
62 | .Pp | ||
63 | The last letter | ||
64 | .Pf ( Sq s | ||
65 | or | ||
66 | .Sq l ) | ||
67 | is a mnemonic | ||
68 | for the traditional names for such quantities, | ||
69 | short and long, respectively. | ||
70 | Today, the C concept of | ||
71 | .Vt short | ||
72 | and | ||
73 | .Vt long | ||
74 | integers need not coincide with this traditional misunderstanding. | ||
75 | On machines which have a byte order which is the same as the network | ||
76 | order, routines are defined as null macros. | ||
77 | .Pp | ||
78 | These routines are most often used in conjunction with Internet | ||
79 | addresses and ports as returned by | ||
80 | .Xr gethostbyname 3 | ||
81 | and | ||
82 | .Xr getservent 3 . | ||
83 | .Sh SEE ALSO | ||
84 | .Xr gethostbyname 3 , | ||
85 | .Xr getservent 3 , | ||
86 | .Xr htobe64 3 | ||
87 | .Sh STANDARDS | ||
88 | The | ||
89 | .Fn htonl , | ||
90 | .Fn htons , | ||
91 | .Fn ntohl , | ||
92 | and | ||
93 | .Fn ntohs | ||
94 | functions conform to | ||
95 | .St -p1003.1 . | ||
96 | .Sh HISTORY | ||
97 | These functions appeared in | ||
98 | .Bx 4.2 . | ||
99 | .Sh BUGS | ||
100 | On the alpha, amd64, i386, and some mips and arm architectures, | ||
101 | bytes are handled backwards from most everyone else in the world. | ||
102 | This is not expected to be fixed in the near future. | ||