/* A simple program to convert a number of quarts to liters
   Version 1:  global variables only
*/

#include <stdio.h>                  /* reference to standard I/O library */

int main ()                         /* beginning of main program */
{
  printf ("This program converts a number of quarts to liters\n");  
                                    /* write opening statement */

  /* declaration of variables, with their types */
  int quarts;                       /* int means integer (no decimal point) */
  double liters;                    /* double means real number */

  quarts = 2;                       /* specify the number of quarts as 2 */

  liters = quarts / 1.056710 ;      /* arithemtic and assignment */

  printf ("%d quarts = %lf liters\n", quarts, liters);
                                      /* write text and new line */

  return 0;                        /* the program ran without errors */
}