Re: chars

On Jan 7, 12:20 pm, "Bill Cunningham" <nos...@xxxxxxxxx> wrote:
    OK this thing about chars. So a string and a char is two different
things. This is the way I'm understanding things:

char c; is actually a short or int

c is neither a short nor an int. It is a {usually} different sized
integer, and is {usually} smaller than short even though it does not
have to be. But your notion (I think) is that a char can be
considered a very small integer type and that is correct.

char *s; s is a pointer to a char and to be used for strings

It does not have to be used for strings. It could point to a single
character. It is simply the place to store the address of one or more
characters.

char foo[5]; is an array used to store so much info.

The array foo stores 5 characters, which could be a string if it were
zero terminated.

    Do I sound like I'm getting it right now?

Not sure. A string (in C) is a pointer to an array {or an array} of
zero or more characters with a terminating zero.

So this is a string:

char *foo = "I am a string";

and this is a string:

char bar[4] = "123";

but this is not a string, it's just an array because it does not have
a terminating zero:

char barbad[4] = "1234";

and neither is this:

char badbar[3] = {'a', 'b', 'c'};

Does it seem clear?

.

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