pub unsafe extern "system" fn HttpOpenRequestW(
    hconnect: *const c_void,
    lpszverb: PCWSTR,
    lpszobjectname: PCWSTR,
    lpszversion: PCWSTR,
    lpszreferrer: PCWSTR,
    lplpszaccepttypes: *const PCWSTR,
    dwflags: u32,
    dwcontext: usize
) -> *mut c_void