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CentOS 7.0 - man page for index (centos section 3)

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 strrchr(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)


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