ft_memcmp.c File Reference

#include <stdlib.h>

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Functions
int	ft_memcmp (const void *s1, const void *s2, size_t n)
	Compares two memory areas byte by byte.

Function Documentation

ft_memcmp()

int ft_memcmp	(	const void *	s1,
		const void *	s2,
		size_t	n
	)

Compares two memory areas byte by byte.

Parameters

s1	First memory area.
s2	Second memory area.
n	Number of bytes to compare.

Returns

Negative, zero, or positive difference at first mismatch.

Definition at line 23 of file ft_memcmp.c.

{
    const unsigned char *p1;
    const unsigned char *p2;
 
    p1 = (const unsigned char *)s1;
    p2 = (const unsigned char *)s2;
    while (n--)
    {
        if (*p1 != *p2)
            return (*p1 - *p2);
        p1++;
        p2++;
    }
    return (0);
}