/* ECP: FILEname=fig1_2.c */

/* 1*/   #include <stdio.h>

/* 2*/   /* Read Items, Compute Their Average */

/* 3*/   main( void )
/* 4*/   {
/* 5*/       int ItemsRead = 0;
/* 6*/       double ThisItem, Sum = 0.0;

/* 7*/       printf( "Enter as many items as you want\n" );
/* 8*/       printf( "Terminate with non-double or EOF marker\n" );

/* 9*/       while( scanf( "%lf", &ThisItem ) == 1 )
/*10*/       {
/*11*/           ItemsRead++;
/*12*/           Sum += ThisItem;
/*13*/       }

/*14*/       printf( "The average of %d items was %f\n",
/*15*/               ItemsRead, Sum / ItemsRead );

/*16*/       return 0;
/*17*/   }