winapi::um::fileapi

Function GetDiskFreeSpaceExW

Source 
pub unsafe extern "system" fn GetDiskFreeSpaceExW(
    lpDirectoryName: LPCWSTR,
    lpFreeBytesAvailableToCaller: PULARGE_INTEGER,
    lpTotalNumberOfBytes: PULARGE_INTEGER,
    lpTotalNumberOfFreeBytes: PULARGE_INTEGER,
) -> BOOL