On Sat, Oct 04, 2008, Jeff Johnson wrote:

> [...]
>   -    if (ps == NULL || num > ps->numProblems)
>   +    if (ps == NULL);
>   +        return(NULL);
> [...]

Ops! One semicolon too much.
The function would always return NULL.

                                       Ralf S. Engelschall
                                       rse@engelschall.com
                                       www.engelschall.com