arrow_add_within
arrow_add_within(arrowp,
arrow_add_within(arrowp,
arrow_add_within(ap, toev->u.event.declp->u.stmt.np->u.event.eexprlist);
arrow_add_within(ap, toev->u.event.eexprlist);
arrow_add_within(ap, xpr->u.expr.left);
arrow_add_within(ap, xpr->u.expr.right);
static void arrow_add_within(struct arrow *ap, struct node *xpr);