304 int     link_machines (first, last)  in link_machines()  argument
305      int     first, last;  in link_machines()
307 	if (first == NIL)
311 		return first;
314 		mkxtion (finalst[first], last);
315 		finalst[first] = finalst[last];
316 		lastst[first] = MAX (lastst[first], lastst[last]);
317 		firstst[first] = MIN (firstst[first], firstst[last]);
319 		return first;
373 int     mkbranch (first, second)  in mkbranch()  argument
374      int     first, second;  in mkbranch()
378 	if (first == NO_TRANSITION)
382 		return first;
386 	mkxtion (eps, first);
459 int     mkor (first, second)  in mkor()  argument
460      int     first, second;  in mkor()
464 	if (first == NIL)
468 		return first;
476 		first = link_machines (eps, first);
478 		mkxtion (first, second);
480 		if (SUPER_FREE_EPSILON (finalst[first]) &&
481 		    accptnum[finalst[first]] == NIL) {
482 			orend = finalst[first];
489 			mkxtion (finalst[first], orend);
495 			first = link_machines (first, eps);
496 			orend = finalst[first];
502 	finalst[first] = orend;
503 	return first;