/* Program 6-6

   Example of the 'else-if' statement
   Program to implement the sign function */

main ()
 {
  int number, sign;

  printf ("Enter a number.\n");
  scanf ("%d", &number);

if ( number < 0 )
   sign = -1;
  else if ( number == 0 )
   sign = 0;
  else
   sign = 1;

  printf ("Sign = %d\n", sign);
 }


/* Program Output

Enter a number.
1121
Sign = 1

*/