index(3) Library Functions Manual index(3)
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 str-
rchr(3) instead.
SEE ALSO
strchr(3), strrchr(3)
Linux man-pages 6.03 2023-01-05 index(3)
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