133 	execute(a);  in run()
137 Cell *execute(Node *u)	/* execute a node of the parse tree */  in execute()  function
181 		x = execute(a[0]);  in program()
190 			x = execute(a[1]);  in program()
199 		x = execute(a[2]);  in program()
231 	fcn = execute(a[0]);	/* the function itself */  in call()
251 		y = execute(x);  in call()
282 	y = execute((Node *)(fcn->sval));	/* execute body */  in call()
354 			y = execute(a[0]);  in jump()
361 			y = execute(a[0]);  in jump()
406 		x = execute(a[2]);		/* filename */  in getline()
419 			x = execute(a[0]);  in getline()
434 			x = execute(a[0]);  in getline()
463 	x = execute(a[0]);	/* Cell* for symbol table */  in array()
466 		y = execute(np);	/* subscript */  in array()
498 	x = execute(a[0]);	/* Cell* for symbol table */  in awkdelete()
513 			y = execute(np);	/* subscript */  in awkdelete()
538 	ap = execute(a[1]);	/* array name */  in intest()
552 		x = execute(p);	/* expr */  in intest()
583 	x = execute(a[1]);	/* a[1] = target text */  in matchop()
588 		y = execute(a[2]);	/* a[2] = regular expr */  in matchop()
617 	x = execute(a[0]);  in boolop()
623 		y = execute(a[1]);  in boolop()
630 		y = execute(a[1]);  in boolop()
650 	x = execute(a[0]);  in relop()
651 	y = execute(a[1]);  in relop()
716 	x = execute(a[0]);  in indirect()
738 	x = execute(a[0]);  in substr()
739 	y = execute(a[1]);  in substr()
741 		z = execute(a[2]);  in substr()
785 	x = execute(a[0]);  in sindex()
787 	y = execute(a[1]);  in sindex()
845 				x = execute(a);  in format()
887 		x = execute(a);  in format()
936 		execute(a);  in format()
952 	x = execute(a[0]);  in awksprintf()
975 	x = execute(a[0]);  in awkprintf()
1002 	x = execute(a[0]);  in arith()
1006 		y = execute(a[1]);  in arith()
1067 	x = execute(a[0]);  in incrdecr()
1087 	y = execute(a[1]);  in assign()
1088 	x = execute(a[0]);  in assign()
1150 	x = execute(a[0]);  in cat()
1151 	y = execute(a[1]);  in cat()
1175 		x = execute(a[1]);  in pastat()
1177 		x = execute(a[0]);  in pastat()
1180 			x = execute(a[1]);  in pastat()
1193 		x = execute(a[0]);  in dopa2()
1199 		x = execute(a[1]);  in dopa2()
1203 		x = execute(a[2]);  in dopa2()
1217 	y = execute(a[0]);	/* source string */  in split()
1223 		x = execute(a[2]);  in split()
1230 	ap = execute(a[1]);	/* array name */  in split()
1345 	x = execute(a[0]);  in condexpr()
1348 		x = execute(a[1]);  in condexpr()
1351 		x = execute(a[2]);  in condexpr()
1360 	x = execute(a[0]);  in ifstat()
1363 		x = execute(a[1]);  in ifstat()
1366 		x = execute(a[2]);  in ifstat()
1376 		x = execute(a[0]);  in whilestat()
1380 		x = execute(a[1]);  in whilestat()
1396 		x = execute(a[0]);  in dostat()
1402 		x = execute(a[1]);  in dostat()
1413 	x = execute(a[0]);  in forstat()
1417 			x = execute(a[1]);  in forstat()
1421 		x = execute(a[3]);  in forstat()
1427 		x = execute(a[2]);  in forstat()
1438 	vp = execute(a[0]);  in instat()
1439 	arrayp = execute(a[1]);  in instat()
1449 			x = execute(a[2]);  in instat()
1475 	x = execute(a[1]);  in bltin()
1501 			y = execute(a[1]->nnext);  in bltin()
1558 			execute(nextarg);  in bltin()
1574 		y = execute(x);  in printstat()
1603 	x = execute(b);  in redirect()
1691 	x = execute(a[0]);  in closefile()
1755 	x = execute(a[3]);	/* target string */  in sub()
1760 		y = execute(a[1]);  in sub()
1764 	y = execute(a[2]);	/* replacement string */  in sub()
1818 	x = execute(a[3]);	/* target string */  in gsub()
1823 		y = execute(a[1]);  in gsub()
1827 	y = execute(a[2]);	/* replacement string */  in gsub()