Libc-594.9.5.tar.gz

[apple/libc.git] / string / memchr.3

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.\"     @(#)memchr.3	8.1 (Berkeley) 6/4/93
.\" $FreeBSD: src/lib/libc/string/memchr.3,v 1.7 2001/10/01 16:09:00 ru Exp $
.\"
.Dd June 4, 1993
.Dt MEMCHR 3
.Os
.Sh NAME
.Nm memchr
.Nd locate byte in byte string
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In string.h
.Ft void *
.Fo memchr
.Fa "const void *s"
.Fa "int c"
.Fa "size_t n"
.Fc
.Sh DESCRIPTION
The
.Fn memchr
function
locates the first occurrence of
.Fa c
(converted to an unsigned char)
in string
.Fa s .
.Sh RETURN VALUES
The
.Fn memchr
function
returns a pointer to the byte located,
or NULL if no such byte exists within
.Fa n
bytes.
.Sh SEE ALSO
.Xr strchr 3 ,
.Xr strcspn 3 ,
.Xr strpbrk 3 ,
.Xr strrchr 3 ,
.Xr strsep 3 ,
.Xr strspn 3 ,
.Xr strstr 3 ,
.Xr strtok 3
.Sh STANDARDS
The
.Fn memchr
function
conforms to
.St -isoC .