System Grab Bag

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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.1-2001. Removed in POSIX.1-2008, recommending strchr(3) and strrchr(3) instead.

See Also

  1. strchr(3),
  2. strrchr(3)