Lvalues and casts

[Chris Torek]

In article <1912 at ektools.UUCP> randolph at ektools.UUCP (Gary L. Randolph)
writes:
>... I have an extension to the original question.  I have
>used casts on the LHS of assignment, but without actually assigning to 
>the cast.  Example:
 ...
>if (semaphore=='a')
>    *(int *)data = 22;
>else if (semaphore=='b')
>    *(float *)data = 64;

The result of a cast is not an lvalue, but the result of an indirection
*is* an lvalue.  These assignments are thus to lvalues and hence legal
(provided, of course, the pointers point at the right objects).
-- 
In-Real-Life: Chris Torek, Univ of MD Comp Sci Dept (+1 301 454 7163)
Domain:	chris at mimsy.umd.edu	Path:	uunet!mimsy!chris