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index

Section: C Library Functions (3)
Updated: 202-0-21
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NAME

index, rindex - locate character in string

LIBRARY

Standard C library (libc,~-lc)

SYNOPSIS

#include <strings.h>
[[deprecated]] char *index(const char *s, int c);
[[deprecated]] char *rindex(const char *s, int c);

DESCRIPTION

index() is identical to strchr(3). rindex() is identical to strrchr(3). Use strchr(3) and strrchr(3) instead of these functions.

STANDARDS

None.

HISTORY

4.3BSD; marked as LEGACY in POSIX.-2001. Removed in POSIX.-2008, recommending strchr(3) and strrchr(3) instead.