1Breakpoint 1 at 0x........: file t.c, line 112.
2Breakpoint 2 at 0x........: file t.c, line 117.
3Continuing.
4Breakpoint 1, main (argc=1, argv=0x........) at t.c:112
5112	  breakme(__LINE__); //break1
6breakme (line=112) at t.c:100
7100	   if (line > 1000)
8old_pc has changed after step
9102	}
10old_pc has changed after step
11main (argc=1, argv=0x........) at t.c:113
12113	  for (i = len-1; i >= 0; i=i-2)
13old_pc has changed after step
14114	     undefined[i] = undef;
15$1 = void
16$2 = "undefined"
17$3 = 8
18113	  for (i = len-1; i >= 0; i=i-2)
19old_pc has changed after step
20114	     undefined[i] = undef;
21old_pc has changed after step
22113	  for (i = len-1; i >= 0; i=i-2)
23$4 = void
24$5 = "undefi?e?"
25$6 = 6
26114	     undefined[i] = undef;
27$7 = void
28$8 = "undefi?e?"
29$9 = 4
30113	  for (i = len-1; i >= 0; i=i-2)
31$10 = void
32$11 = "unde?i?e?"
33$12 = 4
34$13 = 1
35$14 = void
36Continuing.
37Breakpoint 2, main (argc=1, argv=0x........) at t.c:117
38117	  breakme(__LINE__); //break2
39breakme (line=117) at t.c:100
40100	   if (line > 1000)
41Run till exit from #0  breakme (line=117) at t.c:100
42main (argc=1, argv=0x........) at t.c:119
43119	  if (argc > 1)
44Delete all breakpoints? (y or n) [answered Y; input not from terminal]
45Continuing.
46Program received signal SIGTRAP, Trace/breakpoint trap.
470x........ in make_error (s=0x........ "called from level") at t.c:40
4840	  if (int_und == 0)
4943	     printf ("%s int_und is not zero\n", s);
50old_pc has changed after step
51Continuing.
52Program received signal SIGTRAP, Trace/breakpoint trap.
530x........ in make_error (s=0x........ "called from main") at t.c:40
5440	  if (int_und == 0)
55