Compare two blocks of memory.

This function is compatible with the following targets:

ANSI

BeOS

EMB/RTOS

Mac OS

Palm OS

Win32

#include <string.h>

int memcmp(const void *s1, 

Parameters for this facility are:

s1	const void *	The memory to compare
s2	const void *	The comparison memory
n	size_t	The maximum length to compare

The memcmp() function compares the first n characters of s1 to s2 one character at a time.

memcmp() returns a zero if all n characters pointed to by s1 and s2 are equal.

memcmp() returns a negative value if the first non-matching character pointed to by s1 is less than the character pointed to by s2.

memcmp() returns a positive value if the first non-matching character pointed to by s1 is greater than the character pointed to by s2.

"strcmp"

"strncmp"

Refer to"Example of memchr() usage.".