/*
 * dowhile.c
 */
#include <stdio.h>

int main()
{
  char cc;
  
  do // enter block test condition at the end.
  {
    printf("Enter a 'y': "); // prompt for input 
    cc=getchar(); // read from stdin, assing to mem location of cc
    while(getchar() != '\n'); // keep running test on imput buffer until we get a new line  .
    /* This embedded while test has a semicolon.
    * It gets characters and does nothing with them.
    * When it encounters a newline, it quits.
    */
    printf("You entered a '%c'.\n",cc); // output result of getchar

  } while (cc != 'y'); // go back into loop unless cc = 'y' 

  printf("Yes, a 'y', thank you. \n"); 

  return 0;
}