1sub foo { 2 print "in sub foo\n"; 3 bar(); 4} 5 6sub bar { 7 print "in sub bar\n"; 8} 9 10sub baz { 11 print "in sub baz\n"; 12 bar(); 13 bar(); 14 bar(); 15 foo(); 16} 17 18bar(); 19 20eval { fork }; 21 22bar(); 23baz(); 24foo(); 25