* NULL pointers
@ 2023-05-09 21:16 André Coelho
2023-05-09 21:30 ` Arsen Arsenović
0 siblings, 1 reply; 2+ messages in thread
From: André Coelho @ 2023-05-09 21:16 UTC (permalink / raw)
To: libc-alpha
Is null pointer , really necessary? because it points to nothing,and the
program doesnt use it ?? What are they uses?
thanks
andre
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: NULL pointers
2023-05-09 21:16 NULL pointers André Coelho
@ 2023-05-09 21:30 ` Arsen Arsenović
0 siblings, 0 replies; 2+ messages in thread
From: Arsen Arsenović @ 2023-05-09 21:30 UTC (permalink / raw)
To: André Coelho; +Cc: libc-alpha
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André Coelho via Libc-alpha <libc-alpha@sourceware.org> writes:
> Is null pointer , really necessary? because it points to nothing,and the
> program doesnt use it ??
Precisely that. It's used to encode the fact that there's nothing to
point to.
> What are they uses?
>
>
> thanks
>
>
> andre
Have a lovely evening.
--
Arsen Arsenović
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