variter          1134 src/cmd/gc/go.h NodeList*	variter(NodeList *vl, Node *t, NodeList *el);
variter           361 src/cmd/gc/go.y 		$$ = variter($1, $2, nil);
variter           365 src/cmd/gc/go.y 		$$ = variter($1, $2, $4);
variter           369 src/cmd/gc/go.y 		$$ = variter($1, nil, $3);