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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 (Laq\0aq)) 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

Multithreading (see pthreads(7) )

The wcsstr() function is thread-safe.

Conforming to

C99.

See Also

strstr(3) , wcschr(3)

Colophon

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