.\" Copyright (c) 1990 The Regents of the University of California.
.\" All rights reserved.
.\"
.\" This code is derived from software contributed to Berkeley by
.\" Chris Torek.
.\"
.\" %sccs.include.redist.man%
.\"
.\"	@(#)memchr.3	5.1 (Berkeley) 05/15/90
.\"
.TH MEMCHR 3 ""
.UC 7
.SH NAME
memchr \- locate byte in byte string
.SH SYNOPSIS
.nf
.ft B
#include <string.h>

int
memchr(const void *b, int c, size_t len);
.ft R
.fi
.SH DESCRIPTION
.B Memchr
locates the first occurrence of
.I c
(converted to an unsigned char)
in string
.IR b .
It returns a pointer to the byte located,
or NULL if no such byte exists within
.I len
bytes.
.SH SEE ALSO
index(3), rindex(3), strchr(3), strcspn(3), strpbrk(3), strrchr(3),
strsep(3), strspn(3), strstr(3), strtok(3)
.SH STANDARDS
.I Memchr
conforms to ANSI X3.159-1989 (``ANSI C'').