EXTPROC CEnvi
/****************************************************************************
*** Primes.cmd Print out prime numbers until a key is pressed or we run ***
*** out of memory or overflow ***
****************************************************************************/
printf("Printing prime numbers until a key pressed (or failure):\n")
for ( Count = 0, Try = 2; !kbhit(); Try++ ) {
// check if this is divisible by any of the primes found so far
for ( i = 0; i < Count; i++ )
if !(Try % Prime[i])
break
if ( i == Count )
// this new prime number was found, and so add to the list and print it
printf("%d\t",Prime[Count++]=Try)
}
// flush the keyboard
while( kbhit() ) getch()
printf("\n")