1570af302Sopenharmony_ci#include <wchar.h> 2570af302Sopenharmony_ci 3570af302Sopenharmony_ciwchar_t *wcswcs(const wchar_t *haystack, const wchar_t *needle) 4570af302Sopenharmony_ci{ 5570af302Sopenharmony_ci return wcsstr(haystack, needle); 6570af302Sopenharmony_ci} 7