simple question about the function memcmp in kernel

[Valdis.Kletnieks at vt.edu]

On Mon, 08 Apr 2013 08:57:01 +0800, Ben Wu said:

> int memcmp(const void *cs, const void *ct, size_t count)
> {

> I want to know why it use the temp pointer su1, su2? why it doesn't directly
> use the cs and ct pointer?

This is a C 101 question, not a kernel question.  But anyhow..

They're declared const, so the compiler will whine about ++'ing them.

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