Perhaps GNU Parallel (http://www.gnu.org/s/parallel/) would be of some use to you. If you are interested in it (i.e., it seems promising), there is a video (part one of two) about it which you can...
Well your first problem is that 'If' is not a keyword in C, whereas 'if' is. As an aside, you ought not put your call to strlen() inside the loop like you have. Change your code from: