1673 pushstackmark(struct stackmark *mark, size_t len)  in pushstackmark()  argument
1675 	mark->stackp = g_stackp;  in pushstackmark()
1676 	mark->stacknxt = g_stacknxt;  in pushstackmark()
1677 	mark->stacknleft = g_stacknleft;  in pushstackmark()
1682 setstackmark(struct stackmark *mark)  in setstackmark()  argument
1684 	pushstackmark(mark, g_stacknxt == g_stackp->space && g_stackp != &stackbase);  in setstackmark()
1688 popstackmark(struct stackmark *mark)  in popstackmark()  argument
1692 	if (!mark->stackp)  in popstackmark()
1696 	while (g_stackp != mark->stackp) {  in popstackmark()
1701 	g_stacknxt = mark->stacknxt;  in popstackmark()
1702 	g_stacknleft = mark->stacknleft;  in popstackmark()
1703 	sstrend = mark->stacknxt + mark->stacknleft;  in popstackmark()