커널 프로그래밍에서 memcmp 쓸려면?

MEMCMP(3)           Linux Programmer's Manual           MEMCMP(3)



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)



                            1993-04-10                  MEMCMP(3)