The /prog/ challenge

Let's do a game: I challenge you to write a program. Whoever wins can challenge other players to write another application of his choice. You can also make the game harder imposing certain conditions. Rule: no impossible requests.
I'll start with a simple one:
Write a simple XML Parser in less than 250 lines of code in C.

Write a simple XML Parser in less than 250 lines of code in C.
It's possible to write anything in 1 line in C, so what are you talking about?