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Diffstat (limited to 'man3/byteorder.3')
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diff --git a/man3/byteorder.3 b/man3/byteorder.3 new file mode 100644 index 000000000..ddc594793 --- /dev/null +++ b/man3/byteorder.3 @@ -0,0 +1,66 @@ +.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk) +.\" +.\" Permission is granted to make and distribute verbatim copies of this +.\" manual provided the copyright notice and this permission notice are +.\" preserved on all copies. +.\" +.\" Permission is granted to copy and distribute modified versions of this +.\" manual under the conditions for verbatim copying, provided that the +.\" entire resulting derived work is distributed under the terms of a +.\" permission notice identical to this one. +.\" +.\" Since the Linux kernel and libraries are constantly changing, this +.\" manual page may be incorrect or out-of-date. The author(s) assume no +.\" responsibility for errors or omissions, or for damages resulting from +.\" the use of the information contained herein. The author(s) may not +.\" have taken the same level of care in the production of this manual, +.\" which is licensed free of charge, as they might when working +.\" professionally. +.\" +.\" Formatted or processed versions of this manual, if unaccompanied by +.\" the source, must acknowledge the copyright and authors of this work. +.\" +.\" 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 1993-04-15 "BSD" "Linux Programmer's Manual" +.SH NAME +htonl, htons, ntohl, ntohs \- convert values between host and network +byte order +.SH SYNOPSIS +.nf +.B #include <netinet/in.h> +.sp +.BI "uint32_t htonl(uint32_t " hostlong ); +.sp +.BI "uint16_t htons(uint16_t " hostshort ); +.sp +.BI "uint32_t ntohl(uint32_t " netlong ); +.sp +.BI "uint16_t ntohs(uint16_t " netshort ); +.fi +.SH DESCRIPTION +The \fBhtonl()\fP function converts the unsigned integer \fIhostlong\fP +from host byte order to network byte order. +.PP +The \fBhtons()\fP function converts the unsigned short integer \fIhostshort\fP +from host byte order to network byte order. +.PP +The \fBntohl()\fP function converts the unsigned integer \fInetlong\fP +from network byte order to host byte order. +.PP +The \fBntohs()\fP function converts the unsigned short integer \fInetshort\fP +from network byte order to host byte order. +.PP +On the i80x86 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 "CONFORMING TO" +BSD 4.3 +.SH "SEE ALSO" +.BR gethostbyname (3), +.BR getservent (3) |