From 399644e47874bff147afb19c89228901ac39340e Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 15 Apr 2024 21:40:15 +0200 Subject: Adding upstream version 6.05.01. Signed-off-by: Daniel Baumann --- man3/byteorder.3 | 84 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 man3/byteorder.3 (limited to 'man3/byteorder.3') diff --git a/man3/byteorder.3 b/man3/byteorder.3 new file mode 100644 index 0000000..7040f63 --- /dev/null +++ b/man3/byteorder.3 @@ -0,0 +1,84 @@ +'\" t +.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk) +.\" +.\" SPDX-License-Identifier: Linux-man-pages-copyleft +.\" +.\" References consulted: +.\" Linux libc source code +.\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991) +.\" 386BSD man pages +.\" Modified Sat Jul 24 21:29:05 1993 by Rik Faith (faith@cs.unc.edu) +.\" Modified Thu Jul 26 14:06:20 2001 by Andries Brouwer (aeb@cwi.nl) +.\" +.TH BYTEORDER 3 2023-07-20 "Linux man-pages 6.05.01" +.SH NAME +htonl, htons, ntohl, ntohs \- convert values between host and network +byte order +.SH LIBRARY +Standard C library +.RI ( libc ", " \-lc ) +.SH SYNOPSIS +.nf +.B #include +.PP +.BI "uint32_t htonl(uint32_t " hostlong ); +.BI "uint16_t htons(uint16_t " hostshort ); +.PP +.BI "uint32_t ntohl(uint32_t " netlong ); +.BI "uint16_t ntohs(uint16_t " netshort ); +.fi +.SH DESCRIPTION +The +.BR htonl () +function converts the unsigned integer +.I hostlong +from host byte order to network byte order. +.PP +The +.BR htons () +function converts the unsigned short integer +.I hostshort +from host byte order to network byte order. +.PP +The +.BR ntohl () +function converts the unsigned integer +.I netlong +from network byte order to host byte order. +.PP +The +.BR ntohs () +function converts the unsigned short integer +.I netshort +from network byte order to host byte order. +.PP +On the i386 the host byte order is Least Significant Byte first, +whereas the network byte order, as used on the Internet, is Most +Significant Byte first. +.SH ATTRIBUTES +For an explanation of the terms used in this section, see +.BR attributes (7). +.TS +allbox; +lbx lb lb +l l l. +Interface Attribute Value +T{ +.na +.nh +.BR htonl (), +.BR htons (), +.BR ntohl (), +.BR ntohs () +T} Thread safety MT-Safe +.TE +.sp 1 +.SH STANDARDS +POSIX.1-2008. +.SH HISTORY +POSIX.1-2001. +.SH SEE ALSO +.BR bswap (3), +.BR endian (3), +.BR gethostbyname (3), +.BR getservent (3) -- cgit v1.2.3