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WCSSTR(3)                  Linux Programmer's Manual                 WCSSTR(3)
NAME
       wcsstr - locate a substring in a wide-character string
SYNOPSIS
       #include <wchar.h>
       wchar_t *wcsstr(const wchar_t *haystack, const wchar_t *needle);
DESCRIPTION
       The wcsstr() function is the wide-character equivalent of the strstr(3)
       function.  It searches for the first occurrence of  the  wide-character
       string  needle (without its terminating null wide character (L'\0')) as
       a substring in the wide-character string haystack.
RETURN VALUE
       The wcsstr() function returns a pointer to the first occurrence of nee-
       dle  in  haystack.   It returns NULL if needle does not occur as a sub-
       string in haystack.
       Note the special case: If needle is the  empty  wide-character  string,
       the return value is always haystack itself.
ATTRIBUTES
       For   an   explanation   of   the  terms  used  in  this  section,  see
       attributes(7).
       +----------+---------------+---------+
       |Interface | Attribute     | Value   |
       +----------+---------------+---------+
       |wcsstr()  | Thread safety | MT-Safe |
       +----------+---------------+---------+
CONFORMING TO
       POSIX.1-2001, POSIX.1-2008, C99.
SEE ALSO
       strstr(3), wcschr(3)
COLOPHON
       This page is part of release 4.15 of the Linux  man-pages  project.   A
       description  of  the project, information about reporting bugs, and the
       latest    version    of    this    page,    can     be     found     at
       https://www.kernel.org/doc/man-pages/.
GNU                               2015-08-08                         WCSSTR(3)