8 Nov
2017
8 Nov
'17
6:44 p.m.
Hi Bakul,
void* serves a different purpose. It says this is an
untyped pointer
(or a ptr to an instance of any type) so no question of size being an
issue.
In C, ignoring POSIX, a void pointer is big enough to hold any pointer
to data. Pointers to data may be different sizes. And a void pointer
can't hold a function pointer, but all function pointers are defined to
be the same size. Thus `void (*)(void)' can be used as a generic
function pointer type and cast to other ones when needed.
It shouldn't even have been "void*". I
would've preferred _* and _
instead of void* and void. Much more appropriate for a concise
language like C!
That's awful. Might as well say `return' occurs so often, it should
have been `@'. :-)
--
Cheers, Ralph.
https://plus.google.com/+RalphCorderoy