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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