If you want to try using the stack visualizer and don't want
to run gdb, you can just use this sample output:

(gdb) print &a
$19 = (int *) 0xbfd44efc
(gdb) print &b
$20 = (int *) 0xbfd44eec
(gdb) print $esp
$21 = (void *) 0xbfd44ee4
(gdb) print $ebp
$22 = (void *) 0xbfd44ef4
(gdb) x/48w $esp
0xbfd44ee4:     0xb7f125f0      0xbfd44ef8      0x000000ff      0x00000000
0xbfd44ef4:     0xbfd44f28      0x080483b1      0x000000ff      0x00000001
0xbfd44f04:     0xbfd44fa4      0xbfd44f28      0x080483da      0xb7f13ff4
0xbfd44f14:     0x08048430      0x00000000      0x00000001      0x00000002
0xbfd44f24:     0x00000003      0xbfd44f78      0xb7df5ed0      0x00000001
0xbfd44f34:     0xbfd44fa4      0xbfd44fac      0x00000001      0xb7f13ff4
0xbfd44f44:     0x00000000      0xb7f46cc0      0xbfd44f78      0xbfd44f30
0xbfd44f54:     0xb7df5e95      0x00000000      0x00000000      0x00000000
0xbfd44f64:     0xb7f3baa0      0xb7df5e0b      0xb7f46ff4      0x00000001
0xbfd44f74:     0x080482b0      0x00000000      0x080482d1      0x08048376
0xbfd44f84:     0x00000001      0xbfd44fa4      0x080483c0      0x08048430
0xbfd44f94:     0xb7f3c5a0      0xbfd44f9c      0xb7f474f0      0x00000001