getchar() function c++

//Example waits for a character input, then outputs the character
#include <cstdio>
#include <iostream>

using namespace std;

int main()
{
  char a_char; //Declare char Variable.
  a_char = getchar(); //set a_char variable to function getchar()
  cout << a_char << " was the character you input." << endl;; //So when the user now inputs a chracter it will automatically print it out on the screen. :)
  system("pause");
}