42 static struct dolnod *dolh;  variable
222 	dolh = copyargs(argi, argn);  in setargs()
233 	if (argblk = dolh)  in freedolh()
259 		if (argblk == dolh)
312 		if (argblk == dolh)
336 		dolh = globdolh;  in clearup()
376 		globdolh = dolh;
381 	return(dolh);
397 	dolh = olddolh;
398 	if(dolh)
399 		dolh -> doluse++; /* increment use count so arguments aren't freed */
400 	argfor = freeargs(dolh);
411 	if (dolh)  in useargs()
413 		if (dolh->doluse++ == 1)  in useargs()
415 			dolh->dolnxt = argfor;  in useargs()
416 			argfor = dolh;  in useargs()
419 	return(dolh);  in useargs()