Use of Const keyword in ANSI C

[Marc Paige]

In article <8454 at smoke.ARPA> gwyn at brl.arpa (Doug Gwyn (VLD/VMB) <gwyn>) writes:
>In article <441 at optilink.UUCP> cramer at optilink.UUCP (Clayton Cramer) writes:
>>    typedef struct Tag
>>        {
>>        const char*     C;
>>        } TestType;
>>    Test1.C = "not a test case";    /* compiler accepts this -- bad */
>
>That's okay.  You've declared the C member to point to const chars,
>and set it to point to a string literal.  If you want the POINTER to
>be const, instead of what it points to, try
>	char const *	C;
>
>"const" is a type qualifer, not a storage class, so its relative
>position within the type specifiers matters.

The second declaration is also wrong!!  char const and const char are
equivilent.  The way to declare a const pointer is:

	 char * const C;

This declares member C to be a const pointer to char.  You are correct in
your last statement though, const is a qualifier.


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