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echo: c_echo
to: BILL BIRRELL
from: JOHN RICHARDSON
date: 1998-04-24 10:17:00
subject: Nested loop

Hi Bill,
 >  while(j > i) putchar('F' - j--);
 >  Decrementing to 0 is slightly more efficient on the PC. :-)
But the extra subtraction provides a cancel to this improved efficiency. 
:) 
John.
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