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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 needle in haystack.  It
       returns NULL if needle does not occur as a substring 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).

       ┌──────────┬───────────────┬─────────┐
       │InterfaceAttributeValue   │
       ├──────────┼───────────────┼─────────┤
       │wcsstr()  │ Thread safety │ MT-Safe │
       └──────────┴───────────────┴─────────┘

CONFORMING TO

       POSIX.1-2001, POSIX.1-2008, C99.

SEE ALSO

       strstr(3), wcschr(3)

COLOPHON

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