pub unsafe extern "system" fn GetVolumeInformationA(
    lpRootPathName: *const i8,
    lpVolumeNameBuffer: *mut i8,
    nVolumeNameSize: u32,
    lpVolumeSerialNumber: *mut u32,
    lpMaximumComponentLength: *mut u32,
    lpFileSystemFlags: *mut u32,
    lpFileSystemNameBuffer: *mut i8,
    nFileSystemNameSize: u32
) -> i32