Language Ccpp Cref Examples 10TO1.C

 
/******************************************************************* 
 *
 * Purpose: Count down from 10 to 1 in steps of 1
 * Author: M J Leslie.
 * Date: 02-Feb-94
 *
 *******************************************************************/
 			/*			version 1 */
#include <stdio.h>
main()
{
 int a=10;
 while (a >= 1)
 {
 printf("a is %2d\n",a);
 a=a-1;
 }
}
/*******************************************************************/
 			/*			version 2 */
main()
{
 a =11;
 while (0 < (a = a - 1) )
 {
 printf("a is %2d\n",a);
 }
}
/*******************************************************************/
 			/*			version 3 */
main()
{
 			/*
			 * This works because the 'while' loop
			 * will keep spinning while 'i' is TRUE.
 		 * That is while 'i' is NOT equal to 0
 			 */
 a=11;
 while (i)
 {
 printf ("%i",i=i-1);
 }
}

.