c programming style

[J. Shapiro]

Teddy at GenRad writes:
> stepping through the array of pointers can be done by by incrementing
> a pointer:
> 
> 	while (condition) /* or some other loop construct */
> 	  . . . 
> 
> 	  argv++;
> 
> This will get us to the next pointer, whereas,
> 
> 	  argv = argv + 1;
> 
> will NOT (unless by the happy happinstance that a pointer is exactly
> the same size as a character!)

My recollection is that the integer is supposed to get converted to
the appropriate size pointer increment in such code. There are rules for
handling this sort of thing.  Though I may well be misreading, I think
Teddy has this one wrong.

Jon Shapiro