<preamble>
	__typeof__(t1) *__cgo__1;
	__typeof__(v2) *__cgo__2;
	__typeof__(v3) *__cgo__3;
	__typeof__(i4) *__cgo__4;
	enum { __cgo_enum__4 = i4 };
	__typeof__(i5) *__cgo__5;
	enum { __cgo_enum__5 = i5 };
	__typeof__(u6) *__cgo__6;
	enum { __cgo_enum__6 = u6 };
	__typeof__(f7) *__cgo__7;
	__typeof__(f8) *__cgo__8;
	__typeof__(s9) *__cgo__9;
	__typeof__(s10) *__cgo__10;

// struct_foo becomes "struct foo", and similarly for
// union and enum.
func cname(s string) string {
	if t, ok := nameToC[s]; ok {
		return t
	}

	if strings.HasPrefix(s, "struct_") {
		return "struct " + s[len("struct_"):]
	}
	if strings.HasPrefix(s, "union_") {
		return "union " + s[len("union_"):]
	}
	if strings.HasPrefix(s, "enum_") {
		return "enum " + s[len("enum_"):]
	}
	if strings.HasPrefix(s, "sizeof_") {