Re: function parameters

[Jonathan Wakely <jwakely.gcc@gmail.com>]

On Tue, 21 Nov 2023 at 02:31, André Albergaria Coelho via Gcc
<gcc@gcc.gnu.org> wrote:
>
> Hello

Hello,

This mailing list is for discussing the development of GCC itself, not
for help with basic C programming. Please use the gcc-help@gcc.gnu.org
list for this kind of thing, or a general C programming forum.

Thanks,
Jonathan


>
> #include <stdio.h>
>
> void func(char *ptr) {
>      printf("\n%i",sizeof(ptr));
> }
>
> int main(void) {
>      char arr[10];
>      printf("\n Sizeof arr %i",sizeof(arr));
>      func(arr);
>
>      return 0;
> }
>
> /* sizeof(arr) != sizeof(ptr), but they point to same thing. */
>
>
> So problem. On main, arr has size 10, while on func, arr has size 8. But
> they are equal.
>
>
> --
> André Albergaria Coelho
> andrealbergaria@gmail.com