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¶

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.

SEE ALSO¶

strchr(3), strrchr(3)