Function libuv_sys::uv_fs_write

pub unsafe extern "C" fn uv_fs_write(
    loop_: *mut uv_loop_t, 
    req: *mut uv_fs_t, 
    file: uv_file, 
    bufs: *const uv_buf_t, 
    nbufs: c_uint, 
    offset: int64_t, 
    cb: uv_fs_cb
) -> c_int