wcsstr - locate a substring in a wide-character string
#include <wchar.h> wchar_t *wcsstr(const wchar_t *haystack, const wchar_t *needle);
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.
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.
For an explanation of the terms used in this section, see attributes(7). Interface Attribute Value wcsstr() Thread safety MT-Safe
POSIX.1-2001, POSIX.1-2008, C99.
This page is part of release 4.09 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/.
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