Как узнать, нажал ли пользователь любую клавишу ?

 #include <iostream>  
 
#include <conio.h>  
 
  
 
int main() {  
 
    std::cout << "Press any key to start capturing input..." << std::endl;  
 
    _getch(); // Wait for a key press  
 
  
 
    std::cout << "Capturing keystrokes. Press 'Escape' to quit." << std::endl;  
 
  
 
    while (true) {  
 
        if (_kbhit()) { // Check if a key has been pressed  
 
            char key = _getch();  
 
            if (key == 27) { // Escape key pressed  
 
                break;   
 
            } else {  
 
                std::cout << key; // Display the key  
 
            }  
 
        }  
 
    }  
 
  
 
    std::cout << "\nKeystroke capture stopped." << std::endl;  
 
    return 0;  
 
}