Libc-763.13.tar.gz

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

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.\"     @(#)rindex.3	8.1 (Berkeley) 6/4/93
.\" $FreeBSD: src/lib/libc/string/rindex.3,v 1.8 2002/12/18 13:33:03 ru Exp $
.\"
.Dd June 4, 1993
.Dt RINDEX 3
.Os
.Sh NAME
.Nm rindex
.Nd locate character in string
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In strings.h
.Ft char *
.Fn rindex "const char *s" "int c"
.Sh DESCRIPTION
The
.Fn rindex
function
locates the last character
matching
.Fa c
(converted to a
.Vt char )
in the null-terminated string
.Fa s .
.Sh RETURN VALUES
A pointer to the character is returned if it is found;
otherwise, NULL is returned.
If
.Fa c
is
.Ql \e0 ,
.Fn rindex
locates the terminating
.Ql \e0 .
.Sh SEE ALSO
.Xr index 3 ,
.Xr memchr 3 ,
.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 HISTORY
A
.Fn rindex
function appeared in
.At v6 .
Its prototype existed previously in
.Aq Pa string.h
before it was moved to
.Aq Pa strings.h
for
.St -p1003.1-2001
compliance.