What actually happens in C when a value is stored without a pointer?

Question

IMPORTANT: This question tried to ask too many things right away and ultimately failed. Rewritten question here: How are variables related to their values ​​in C?

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Consider what the value is 4at the address 0001, and then we assign the address to the 0001variable num. We could visualize this as two tables:

VARIABLE|ADDRESS    ADDRESS|VALUE
num     |0001       0001   |4

From what I understand, this will be the final product of the following code:

int temp = 4;
int * num = &temp;

However, what happens on the first line int temp = 4;,? Does this first line produce something like this?

VARIABLE|ADDRESS    ADDRESS|VALUE
        |           temp   |4

And how do pointers to pointers work? Will the code:

int temp = 4;
int * num = &temp;
int ** pnum = #

produce it?

VARIABLE|ADDRESS    ADDRESS|VALUE
num     |0001       0001   |4
pnum    |0002       0002   |0001

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Answer 1

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