wcsstr

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 at-
       tributes(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 5.05 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                               2019-03-06                         WCSSTR(3)
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