__libc_start_main(0x80493a0, 1, 0xbfea9f74, 0x804e4f0, 0x804e4e0
__libc_start_main is initialization routine.
stack top = main = 0x80493a0
so stack top to bottom is from left to right.
http://en.wikipedia.org/wiki/Prototype
Armstrong, Neil: One Small Step For Man
[audio: http://www.freeinfosociety.com/media/sounds/13.mp3]