Capture output of process synchronously (i.e. “when it happens”)

Question

I am trying to start a process and capture the output, have come a far way, but am not quite at the solution I\'d want.

Specifically, I am trying to reset the IIS on

Answer 1

To do autoflushing of printfs / stdouts

C equivalent of autoflush (flush stdout after each write)?

This saved my ass...