====== getch ======
<code c>
int getch();
</code>

==== description of getch====
prompts the user to press a character and that character is not printed on screen


<code c>
#include <stdio.h>
#include <conio.h>

int main (void) 
{

   int c;
   printf("type in a letter on your keyboard :");
   c = getch();
   putch(c);
   return 0;

}
</code>

===== output of getchc example =====
    type in a letter on your keyboard : x
    x