listwindows.mm

// Very simple program to print all windows
// Obviously needs `-framework CoreGraphics -framework Foundation`
#import "CoreGraphics/CoreGraphics.h"
#import "Foundation/Foundation.h"

int main(void) {
  NSArray *arr = [(NSArray *) CGWindowListCopyWindowInfo(kCGWindowListOptionAll, kCGNullWindowID) copy];
  NSLog(@"%@", arr);
  return 0;
}