memcmp(3) -- Linux man page

 

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.  

RETURN VALUE

The memcmp() function returns an integer less than, equal to, or greater than zero if the first n bytes of s1 is found, respectively, to be less than, to match, or be greater than the first n bytes of s2.  

CONFORMING TO

SVID 3, BSD 4.3, ISO 9899 (C99)  

SEE ALSO

bcmp(3), strcasecmp(3), strcmp(3), strcoll(3), strncmp(3), strncasecmp(3), wmemcmp(3)