Re: K&R2 , exercise 7.6

> On Thu, 24 Apr 2008 06:16:53 +0000, Richard Heathfield wrote:


> Half-right. A string is a contiguous sequence of characters terminated
> by the first null character, whose length is given by the number of
> characters in the string not including the null character. Thus, a
> string with a null as its first character is still a string, but it has
> 0 length.

ah... I think I will better use this for clarity:

  *buf = '\0';

for if I could be reading an array of integers at some other time.


 
> You can do this:
> 
> size_t CalcNumElementsInChar20Array(char (*p)[20]) {
>   return sizeof *p / sizeof (*p)[0];
> }
> }

> but what's the point?


The last sentence is the one I usually ask to the programmers when they
use arrays in C++ for writing Desktop Applications, all the time, or
when they use <void main()> in C.

I think I got your point.




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