Function libuv_sys2::uv_udp_send

pub unsafe extern "C" fn uv_udp_send(
    req: *mut uv_udp_send_t, 
    handle: *mut uv_udp_t, 
    bufs: *const uv_buf_t, 
    nbufs: c_uint, 
    addr: *const sockaddr, 
    send_cb: uv_udp_send_cb
) -> c_int