C - The %x format specifier

Question

I have a small question. I know that the %x format specifier can be used to read values from the stack in a format string attack.

I found the following code:

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Answer 1

That specifies the how many digits you want it to show.

integer value or * that specifies minimum field width. The result is padded with space characters (by default), if required, on the left when right-justified, or on the right if left-justified. In the case when * is used, the width is specified by an additional argument of type int. If the value of the argument is negative, it results with the - flag specified and positive field width.