Scanning for Options in C

Hi guys. I was wondering what the most common way to check for options, declared with '-' at the command line, is in C. For example: prog -a filename would run the program prog with the -a option. I assume it involves scanning with getopt. Thanks.

>>10

Would you mind linking to a page detailing this issue, or point me in the right direction? I am a *gulp* beginner programmer.