Hi, I need to a function to block until the user hits the keyboard. From my brief search, it seems like getchar/fgets are good candidates. I've had little success with getchar and fgets even though the code compiles, it seems like they don't really work. I notice that stdin has been redirected, so i...

So how exactly does GNU make know where to grab the esp_wifi_* API calls then? That code must be on the system somewhere perhaps in binary? Can someone point out the part of the make process that handles this? Just our of curiousity. Thanks!

I tried searching all files that but can't actually find where the functions are actually defined. I want to take a look at the implementation for , which is why I'm asking.