func fixGo(name string) string {
	if name == "_CMalloc" {
		return "malloc"
	}
	return name
}

var isBuiltin = map[string]bool{
	"_Cfunc_CString":   true,
	"_Cfunc_CBytes":    true,
	"_Cfunc_GoString":  true,
	"_Cfunc_GoStringN": true,
	"_Cfunc_GoBytes":   true,
	"_Cfunc__CMalloc":  true,
}

func (p *Package) writeOutputFunc(fgcc *os.File, n *Name) {
	name := n.Mangle