Function ws2_32::WSAAsyncGetHostByAddr

pub unsafe extern "system" fn WSAAsyncGetHostByAddr(
    hWnd: HWND, 
    wMsg: u_int, 
    addr: *const c_char, 
    len: c_int, 
    _type: c_int, 
    buf: *mut c_char, 
    buflen: c_int
) -> HANDLE