#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
int main() {
wchar_t buffer[64];
wcscpy_s(buffer, _countof(buffer), L"wcscpy_s - c ");
wcscat_s(buffer, _countof(buffer), L"windows ");
wcscat_s(buffer, _countof(buffer), L"programming");
printf("%ws\n", buffer);
char ch = getchar();
return 0;
}
/*
run:
wcscpy_s - c windows programming
*/