1 #include <assert.h> 2 #include <wchar.h> 3 4 int main(void) { 5 6 assert(wcscspn(L"", L"") == 0); 7 assert(wcscspn(L"", L"h") == 0); 8 assert(wcscspn(L"a", L"a") == 0); 9 10 assert(wcscspn(L"ba", L"ab") == 0); 11 assert(wcscspn(L"ba", L"a") == 1); 12 13 assert(wcscspn(L"abcdefghijkl$\"£$%", L"zxqrst,./$w") == 12); 14 15 return 0; 16 } 17