Section: Linux Programmer's Manual (3)Updated: 2010-09-20Local indexUp
NAME
index, rindex - locate character in string
SYNOPSIS
#include <strings.h>char *index(const char *s, int c);char *rindex(const char *s, int c);
DESCRIPTION
The
index()
function returns a pointer to the first occurrence
of the character c in the string s.
The
rindex()
function returns a pointer to the last occurrence
of the character c in the string s.
The terminating NULL character is considered to be a part of the
strings.
RETURN VALUE
The
index()
and
rindex()
functions return a pointer to
the matched character or NULL if the character is not found.
CONFORMING TO
4.3BSD; marked as LEGACY in POSIX.1-2001.
POSIX.1-2008 removes the specifications of
index()
and
rindex(),
recommending
strchr(3)
and
strrchr(3)
instead.
This page is part of release 3.27 of the Linux
man-pages
project.
A description of the project,
and information about reporting bugs,
can be found at
http://www.kernel.org/doc/man-pages/.