WCSSTRSection: Linux Programmer's Manual (3)
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NAMEwcsstr - locate a substring in a wide-character string
#include <wchar.h> wchar_t *wcsstr(const wchar_t *haystack, const wchar_t *needle);
DESCRIPTIONThe 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 L'\0' character) as a substring in the wide-character string haystack.
RETURN VALUEThe 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.
SEE ALSOstrstr(3), wcschr(3)
COLOPHONThis page is part of release 3.21 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.