How can I make this .c file to run properly?

view full story

http://askubuntu.com – I'm really new at linux. I just installed Ubuntu 12.04- I compiled and tried to run a program but it doesn't work and I don't have a clue why. searched on google but no one seems to have a problem with it. It must be a silly error. the program is evhz.c (link here: http://web.archive.org/web/20060623094750/http://homepages.nildram.co.uk... ). The program verifies the changed you done in the mouse polling rate. I used this guide: https://wiki.archlinux.org/index.php/Mouse_Polling_Rate I used gcc -o evhz evhz.c to compile it. First I got the error: "evhz.c: In function ‘main’: e (HowTos)