Hi Roy.

14-Jan-04 12:06:34, Roy J. Tellason wrote to Bill Birrell


 RJT> Bill Birrell wrote in a message to prabir senapati:

  >> arithmetic on the elements of this array. How is this possible,
  >> after all elements in the array are characters not integers ? Can
  >> u pls explain me a bit .

 BB>> Ints are whole numbers between 0 and MAXINT in value. Chars are
 BB>> whole numbers in the range 0 to MAXCHAR (often 255 for unsigned
 BB>> and 127 for signed char). Both ints and char can be signed or
 BB>> unsigned. Integer arithmetic can be performed on both types.

 RJT> I still think there's something odd about the concept of a
 RJT> "signed char",  and I particularly think it's odd that it's in
 RJT> some cases the default..

signed is the default for long int and short, why should char be the
exception?

OTOH I've never found signed chars more convenient than
unsigned.

 -=> Bye <=-

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