// that the C code can refer to.
	prefix := "_C"
	if *gccgo && n.IsVar() {
		prefix = "C"
	}
	n.Mangle = prefix + n.Kind + "_" + n.Go
}

func (f *File) isMangledName(s string) bool {
	prefix := "_C"
	if strings.HasPrefix(s, prefix) {
		t := s[len(prefix):]
		for _, k := range nameKinds {
			if strings.HasPrefix(t, k+"_") {
				return true
			}
		}
	}