programming fuck ups

What's the biggest screw up you ever made writing software?  Once a team I was on overshot a DCUT for some datacenter automation tools by two weeks, and it still ended up being shitty because the customer kept wanting to add shit.

>>18
doesn't do the same thing as >>17.
>>17 does exit(1) no matter what the value of i is.
your code does exit(1) only if i is 0.