1 #include <stdio.h> 2 #include <wchar.h> 3 4 int main () { 5 wchar_t *wcs = L"relibc"; 6 size_t len = wcslen(wcs); 7 int width = wcswidth(wcs, len); 8 printf("wcswidth(L\"%ls\", %d) = %d\n", wcs, len, width); 9 return 0; 10 } 11