index - Man Page
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
Referenced By
The man page rindex(3) is an alias of index(3).
2023-01-05 Linux man-pages 6.03