kernel32::WideCharToMultiByte

pub unsafe extern "system" fn WideCharToMultiByte(CodePage: UINT, dwFlags: DWORD, lpWideCharStr: LPCWSTR, cchWideChar: c_int, lpMultiByteStr: LPSTR, cbMultiByte: c_int, lpDefaultChar: LPCSTR, lpUsedDefaultChar: LPBOOL) -> c_int