memcmp

Syntax

#include <string.h>

int memcmp(const void *s1, const void *s2, size_t num);

Description

This function compares two regions of memory, at s1 and s2, for num bytes.

Return Value

zero

s1 == s2

positive

s1 > s2

negative

s1 < s2

Portability

ANSI, POSIX

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