--After entering START command  (it is pointing at int a = 20)
eax            0xbffff454	-1073744812
ecx            0x2a5f0d0	44429520
edx            0x1	1
ebx            0x3b8ff4	3903476
esp            0xbffff398	0xbffff398
ebp            0xbffff3a8	0xbffff3a8
esi            0x0	0
edi            0x0	0
eip            0x80483fa	0x80483fa <main()+6>
eflags         0x200282	[ SF IF ID ]

-- After entering stepi command (now pointing at the instruction int b = 10)
eax            0xbffff454	-1073744812
ecx            0x2a5f0d0	44429520
edx            0x1	1
ebx            0x3b8ff4	3903476
esp            0xbffff398	0xbffff398
ebp            0xbffff3a8	0xbffff3a8
esi            0x0	0
edi            0x0	0
eip            0x8048401	0x8048401 <main()+13>