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INDEX(3)                   Linux Programmer's Manual                  INDEX(3)

NAME
       index, rindex - locate character in string
SYNOPSIS
       #include <strings.h>
       char *index(const char *s, int c);
       char *rindex(const char *s, int c);
DESCRIPTION
       The  index()  function returns a pointer to the first occurrence of the
       character c in the string s.
       The rindex() function returns a pointer to the last occurrence  of  the
       character c in the string s.
       The  terminating  null  byte  ('\0')  is considered to be a part of the
       strings.
RETURN VALUE
       The index() and rindex() functions return  a  pointer  to  the  matched
       character or NULL if the character is not found.
CONFORMING TO
       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
       memchr(3),  strchr(3),  string(3),  strpbrk(3),  strrchr(3), strsep(3),
       strspn(3), strstr(3), strtok(3)
COLOPHON
       This page is part of release 3.53 of the Linux  man-pages  project.   A
       description  of  the project, and information about reporting bugs, can
       be found at http://www.kernel.org/doc/man-pages/.

GNU                               2011-09-21                          INDEX(3)