procclosesocket                        = modws2_32.NewProc("closesocket")
	procconnect                            = modws2_32.NewProc("connect")
	procgethostbyname                      = modws2_32.NewProc("gethostbyname")
	procgetpeername                        = modws2_32.NewProc("getpeername")
	procgetprotobyname                     = modws2_32.NewProc("getprotobyname")

//sys	GetHostByName(name string) (h *Hostent, err error) [failretval==nil] = ws2_32.gethostbyname
//sys	GetServByName(name string, proto string) (s *Servent, err error) [failretval==nil] = ws2_32.getservbyname
//sys	Ntohs(netshort uint16) (u uint16) = ws2_32.ntohs

//sys	WSASocket(af int32, typ int32, protocol int32, protoInfo *WSAProtocolInfo, group uint32, flags uint32) (handle Handle, err error) [failretval==InvalidHandle] = ws2_32.WSASocketW
//sys	GetHostByName(name string) (h *Hostent, err error) [failretval==nil] = ws2_32.gethostbyname
//sys	GetServByName(name string, proto string) (s *Servent, err error) [failretval==nil] = ws2_32.getservbyname
//sys	Ntohs(netshort uint16) (u uint16) = ws2_32.ntohs

	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func Sethostname(p []byte) (err error) {
	var _p0 unsafe.Pointer
	if len(p) > 0 {
		_p0 = unsafe.Pointer(&p[0])
	} else {
		_p0 = unsafe.Pointer(&_zero)
	}

//sys	RequestKey(keyType string, description string, callback string, destRingid int) (id int, err error)
//sys	Setdomainname(p []byte) (err error)
//sys	Sethostname(p []byte) (err error)
//sysnb	Setpgid(pid int, pgid int) (err error)
//sysnb	Setsid() (pid int, err error)
//sysnb	Settimeofday(tv *Timeval) (err error)
//sys	Setns(fd int, nstype int) (err error)

	}
	want := strings.Trim(string(out), "\r\n")
	if hostname != want {
		t.Fatalf("Hostname() = %q != system hostname of %q", hostname, want)
	}
}

func TestHostname(t *testing.T) {
	t.Parallel()

	hostname, err := Hostname()
	if err != nil {
		t.Fatal(err)
	}
	if hostname == "" {
		t.Fatal("Hostname returned empty string and no error")
	}