194cef3114
I was considering adding it to libc as well, but last minute I thought it would be good enough to add it to libkern exclusively. I forgot to rename the man page and hook it up.
60 lines
1.9 KiB
Groff
60 lines
1.9 KiB
Groff
.\" Copyright (c) 2012 Ed Schouten <ed@FreeBSD.org>
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd January 1, 2012
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.Dt MEMCCHR 9
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.Os
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.Sh NAME
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.Nm memcchr
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.Nd locate the complement of a byte in byte string
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.Sh SYNOPSIS
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.In sys/libkern.h
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.Ft void *
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.Fn memcchr "const void *b" "int c" "size_t len"
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.Sh DESCRIPTION
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The
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.Fn memcchr
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function locates the first occurrence of a byte unequal to
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.Fa c
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(converted to an
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.Vt "unsigned char" )
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in string
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.Fa b .
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.Sh RETURN VALUES
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The
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.Fn memcchr
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function returns a pointer to the byte located, or NULL if no such byte
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exists within
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.Fa len
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bytes.
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.Sh SEE ALSO
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.Xr memchr 3
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.Sh HISTORY
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The
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.Fn memcchr
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function first appeared in
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.Fx 10.0 .
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