Seriously what the fuck is this bullshit

nostr:nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpq3mvhpgvkn0yqj0dmuzrxmna90kue0pzr6kkqsrqlqdvkxqflqj2qneh4yc The pointer types are incompatible as someone programmed wrong.

I suspect you need just need to cast to a pointer to FCGI_FILE like so; (FCGI_FILE *)cfg

Or if you don't care, you can cast to void pointer; (void *)cfg.