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Diffstat (limited to 'newlib/libc/sys/linux/net/byteorder.3')
| -rw-r--r-- | newlib/libc/sys/linux/net/byteorder.3 | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/newlib/libc/sys/linux/net/byteorder.3 b/newlib/libc/sys/linux/net/byteorder.3 new file mode 100644 index 000000000..062ac9d70 --- /dev/null +++ b/newlib/libc/sys/linux/net/byteorder.3 @@ -0,0 +1,84 @@ +.\" Copyright (c) 1983, 1991, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)byteorder.3 8.1 (Berkeley) 6/4/93 +.\" $FreeBSD: src/lib/libc/net/byteorder.3,v 1.9 2001/12/08 19:06:23 ru Exp $ +.\" +.Dd June 4, 1993 +.Dt BYTEORDER 3 +.Os +.Sh NAME +.Nm htonl , +.Nm htons , +.Nm ntohl , +.Nm ntohs +.Nd convert values between host and network byte order +.Sh LIBRARY +.Lb libc +.Sh SYNOPSIS +.In arpa/inet.h +.Ft uint32_t +.Fn htonl "uint32_t hostlong" +.Ft uint16_t +.Fn htons "uint16_t hostshort" +.Ft uint32_t +.Fn ntohl "uint32_t netlong" +.Ft uint16_t +.Fn ntohs "uint16_t netshort" +.Sh DESCRIPTION +These routines convert 16 and 32 bit quantities between network +byte order and host byte order. +On machines which have a byte order which is the same as the network +order, routines are defined as null macros. +.Pp +These routines are most often used in conjunction with Internet +addresses and ports as returned by +.Xr gethostbyname 3 +and +.Xr getservent 3 . +.Sh SEE ALSO +.Xr gethostbyname 3 , +.Xr getservent 3 +.Sh STANDARDS +The +.Nm byteorder +functions are expected to conform with +.St -p1003.1-2001 . +.Sh HISTORY +The +.Nm byteorder +functions appeared in +.Bx 4.2 . +.Sh BUGS +On the +.Tn VAX +bytes are handled backwards from most everyone else in +the world. This is not expected to be fixed in the near future. |