let is_tty = unsafe { libc::isatty(libc::STDERR_FILENO) } != 0;
fn do_something() {
unsafe { ... }
}
// Somewhere in the program
do_something();
Sounds like a bad way to port. Completely different languages. It took me some time to learn that one cannot simply write C code in Rust and expect the result to be any good. Should've started from scratch.