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Diffstat (limited to 'lib/libc/string/swab.3')
-rw-r--r-- | lib/libc/string/swab.3 | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/lib/libc/string/swab.3 b/lib/libc/string/swab.3 new file mode 100644 index 0000000..f8ef34e --- /dev/null +++ b/lib/libc/string/swab.3 @@ -0,0 +1,64 @@ +.\" Copyright (c) 1990, 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. +.\" 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. +.\" +.\" @(#)swab.3 8.1 (Berkeley) 6/4/93 +.\" $FreeBSD$ +.\" +.Dd December 10, 2004 +.Dt SWAB 3 +.Os +.Sh NAME +.Nm swab +.Nd swap adjacent bytes +.Sh LIBRARY +.Lb libc +.Sh SYNOPSIS +.In unistd.h +.Ft void +.Fn swab "const void * restrict src" "void * restrict dst" "ssize_t len" +.Sh DESCRIPTION +The function +.Fn swab +copies +.Fa len +bytes from the location referenced by +.Fa src +to the location referenced by +.Fa dst , +swapping adjacent bytes. +.Pp +The argument +.Fa len +must be an even number. +.Sh SEE ALSO +.Xr bzero 3 , +.Xr memset 3 +.Sh HISTORY +A +.Fn swab +function appeared in +.At v7 . |