Include the header file for input and output : Header Files « Language « C Tutorial

1. C Tutorial
2. Language
3. Header Files

#include <stdio.h>    

int main(void)
{
  printf("A\n\n\nB");
  printf("\t1.\tA \n");
  printf("\t2.\tA \n");
  printf("\t3.\tA \n");
  printf("\n\t\t\b\bA\n\n");
  return 0;
}

A
     
     
     B       1.      A
             2.      A
             3.      A
     
                   A