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NAME
memcmp - compare memory areas
SYNOPSIS
#include <string.h>
int memcmp(const void *s1, const void *s2, size_t n);
DESCRIPTION
The memcmp() function compares the first n bytes of the memory areas s1
and s2. It returns an integer less than, equal to, or greater than
zero if s1 is found, respectively, to be less than, to match, or be
greater than s2.