received from Go. For example:

	package main

	// typedef int (*intFunc) ();
	//
	// int
	// bridge_int_func(intFunc f)
	// {
	//		return f();
	// }
	//
	// int fortytwo()
	// {
	//	    return 42;
	// }
	import "C"
	import "fmt"

	func main() {
		f := C.intFunc(C.fortytwo)
		fmt.Println(int(C.bridge_int_func(f)))
		// Output: 42
	}

func BarE() Error                                   {}

func unexported(x int8, y int16, z int64) {}

func TakesFunc(f func(dontWantName int) int)

type Codec struct {
	Func func(x int, y int) (z int)
}

type SI struct {
	I int
}

var SIVal = SI{}
var SIPtr = &SI{}
var SIPtr2 *SI

type T struct {
	common
}

type B struct {
	common
}

may be invoked with zero or more arguments for that parameter.
</p>

<pre>
func()
func(x int) int
func(a, _ int, z float32) bool
func(a, b int, z float32) (bool)
func(prefix string, values ...int)
func(a, b int, z float64, opt ...interface{}) (success bool)
func(int, int, float64) (float64, *[]int)
func(n int) func(p *T)
</pre>


<h3 id="Interface_types">Interface types</h3>

<p>

	var buf Buffer
	s := ""
	for i := 0; i < 50; i++ {
		wlen := rand.Intn(len(testString))
		if i%2 == 0 {
			s = fillString(t, "TestMixedReadsAndWrites (1)", &buf, s, 1, testString[0:wlen])
		} else {
			s = fillBytes(t, "TestMixedReadsAndWrites (1)", &buf, s, 1, testBytes[0:wlen])
		}

		rlen := rand.Intn(len(testString))
		fub := make([]byte, rlen)
		n, _ := buf.Read(fub)
		s = s[n:]
	}

//	LFMOV fimm ',' freg
//	{
//		outcode(int($1), &$2, 0, &$4);
//	}
	MOVD	$0.1, F2 // MOVD $(0.10000000000000001), F2

//	LFMOV freg ',' freg
//	{
//		outcode(int($1), &$2, 0, &$4);
//	}
	MOVD	F1, F2

//	LFMOV freg ',' addr
//	{
//		outcode(int($1), &$2, 0, &$4);
//	}
	MOVD	F2, foo<>+3(SB)
	MOVD	F2, 16(R1)
	MOVD	F2, (R1)

//
// store ints and bytes
//
//	LMOVV rreg ',' addr

}

func TestReaderDiscard(t *testing.T) {
	tests := []struct {
		name     string
		r        io.Reader
		bufSize  int // 0 means 16
		peekSize int

		n int // input to Discard

		want    int   // from Discard
		wantErr error // from Discard

		wantBuffered int
	}{
		{
			name:         "normal case",
			r:            strings.NewReader("abcdefghijklmnopqrstuvwxyz"),

pkg image, method (*CMYK) At(int, int) color.Color
pkg image, method (*CMYK) Bounds() Rectangle
pkg image, method (*CMYK) CMYKAt(int, int) color.CMYK
pkg image, method (*CMYK) ColorModel() color.Model
pkg image, method (*CMYK) Opaque() bool
pkg image, method (*CMYK) PixOffset(int, int) int
pkg image, method (*CMYK) Set(int, int, color.Color)
pkg image, method (*CMYK) SetCMYK(int, int, color.CMYK)

pkg syscall (netbsd-arm64-cgo), const AF_DLI = 13
pkg syscall (netbsd-arm64-cgo), const AF_DLI ideal-int
pkg syscall (netbsd-arm64-cgo), const AF_E164 = 26
pkg syscall (netbsd-arm64-cgo), const AF_E164 ideal-int
pkg syscall (netbsd-arm64-cgo), const AF_ECMA = 8
pkg syscall (netbsd-arm64-cgo), const AF_ECMA ideal-int
pkg syscall (netbsd-arm64-cgo), const AF_HYLINK = 15
pkg syscall (netbsd-arm64-cgo), const AF_HYLINK ideal-int

pkg syscall (freebsd-arm), const TCP_VENDOR ideal-int
pkg syscall (freebsd-arm), const TIOCTIMESTAMP = 1074820185
pkg syscall (freebsd-arm), func Accept4(int, int) (int, Sockaddr, error)
pkg syscall (freebsd-arm), func Fchflags(int, int) error
pkg syscall (freebsd-arm), func FcntlFlock(uintptr, int, *Flock_t) error
pkg syscall (freebsd-arm), func SendmsgN(int, []uint8, []uint8, Sockaddr, int) (int, error)

	// Use a new goroutine so that we get a small stack.
	c := make(chan int)
	go func() {
		c <- int(C.returnAfterGrowFromGo())
	}()
	if got, want := <-c, 129*128/2; got != want {
		t.Errorf("got %d want %d", got, want)
	}
}

//export goReturnVal
func goReturnVal() (r C.int) {
	// Force a stack copy.
	var f func(int) int
	f = func(i int) int {
		var buf [256]byte
		use(buf[:])
		if i == 0 {