Function libuv_sys2::uv_fs_copyfile

pub unsafe extern "C" fn uv_fs_copyfile(
    loop_: *mut uv_loop_t,
    req: *mut uv_fs_t,
    path: *const c_char,
    new_path: *const c_char,
    flags: c_int,
    cb: uv_fs_cb
) -> c_int