"ushort":        "unsigned short",
	"uint":          "unsigned int",
	"ulong":         "unsigned long",
	"longlong":      "long long",
	"ulonglong":     "unsigned long long",
	"complexfloat":  "float _Complex",
	"complexdouble": "double _Complex",
}

var incomplete = "_cgopackage.Incomplete"

// cname returns the C name to use for C.s.
// The expansions are listed in nameToC and also
// struct_foo becomes "struct foo", and similarly for