Compare unsign char pointer

I declare an unsigned char *temp. Now, how do I copy the content of an "unsigned char *test"?
This is what I did temp = test. But it's pointing to the same pointer and not the content.

How do I compare the content of an "unsigned char *" if they are the same?

Thank you
musiccAsked:
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shivsaCommented:
u are assigning the address to address. u can assign the content with *temp = *test.

BTW this question is of programming section.

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musiccAuthor Commented:
Sorry. The site is very confusing. How do I move it to programming section?
My goal is to compare bitmap images to see if they are the same.
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