1INDEX(3)                   Linux Programmer's Manual                  INDEX(3)
2
3
4

NAME

6       index, rindex - locate character in string
7

SYNOPSIS

9       #include <strings.h>
10
11       char *index(const char *s, int c);
12
13       char *rindex(const char *s, int c);
14

DESCRIPTION

16       The  index()  function returns a pointer to the first occurrence of the
17       character c in the string s.
18
19       The rindex() function returns a pointer to the last occurrence  of  the
20       character c in the string s.
21
22       The  terminating  NULL  character  is  considered  to  be a part of the
23       strings.
24

RETURN VALUE

26       The index() and rindex() functions return  a  pointer  to  the  matched
27       character or NULL if the character is not found.
28

CONFORMING TO

30       4.3BSD;  marked  as  LEGACY  in POSIX.1-2001.  POSIX.1-2008 removes the
31       specifications of index() and rindex(), recommending strchr(3) and str‐
32       rchr(3) instead.
33

SEE ALSO

35       memchr(3),  strchr(3),  strpbrk(3),  strrchr(3),  strsep(3), strspn(3),
36       strstr(3), strtok(3)
37

COLOPHON

39       This page is part of release 3.22 of the Linux  man-pages  project.   A
40       description  of  the project, and information about reporting bugs, can
41       be found at http://www.kernel.org/doc/man-pages/.
42
43
44
45GNU                               2009-03-15                          INDEX(3)
Impressum