sizeof « Operation « C Array Q&A

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C Array Q&A » Operation » sizeof

1. How Does sizeof(Array) work stackoverflow.com

How does c find at run time the size of array? where is the information about array size or bounds of array stored ?

2. sizeof array clarification stackoverflow.com

I am studying for a final tomorrow in C, and have a question regarding the sizeof operator. Let's say the size of an int is 32 bits and a pointer is 64 ...

3. Behaviour of Sizeof in C stackoverflow.com

I have learnt that when we pass the array name to sizeof, the name of the array does not decay to the pointer to base address. The code below verifies this ...

4. sizeof dinamically alocated array.... bytes.com

Mateo wrote:[color=blue] > I have char *array and it is dinamically alocated.... > When I pass it to other function, I need to determine size of this > array.... Problem: sizeof operator does not work with dinamically > alocated arrays!?!?! > > How can I determine size of dinamically alocated array.... ?[/color] You cannot. You need to store the size at ...

5. Standard alternative to sizeof(array)/sizeof(array[0])? cboard.cprogramming.com

6. sizeof an array problem cboard.cprogramming.com

7. Newbie question about 'sizeof' and arrays cboard.cprogramming.com

8. sizeof(arrays) cboard.cprogramming.com

> So, in your case, I assume sizeof(int*) equals sizeof(int) Very bad assumption to make in any case, esp with 64-bit being so common. But anywho. > Ronix, I read about macros like that before but I can't tell exactly what that macro you wrote means. Would you mind explaining it in a little more detail? Even though I'm not Ronix... ...

9. sizeof array cboard.cprogramming.com

10. arrays dimensioning: malloc and sizeof cboard.cprogramming.com

Thank you for your quick response, Quzah. Going by what you told me, I did some research into pointers and they often times return an integer size of 4, so that answers my question about where the 4 comes from. Why is it 4, though? Since its type is char, shouldn't my character pointer return 1? How would I get the ...

11. sizeof array? cboard.cprogramming.com

12. sized array and sizeof() forums.devshed.com

13. sizeof an array forums.devshed.com

no idea what that means. i'm a noobie =D the book shows it like that DaWei_M: =D from the reply i figured all array pieces are set to occupy same amount of space. but dont necesseraly the borders stay tho. ah maybe there's no problem cause i got it all wrong =D i'ma reread the array chapter and see if i ...