Semicolon at the ends of if-statements and functions in C

Question

I just ran into some code that overuse semicolons, or use semicolon for different purposes that I am not aware of.

I found semicolons at the end of if-statements and

Answer 1

I think that the author may have been going for something like:

if(condition for tbd block)
    ;
else {
    //Some code here
}

which you might do if you were scaffolding code and still wanted it to compile. There's a good chance that it's just an error as Jon suggests though.