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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 (each interpreted as
       unsigned char) 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

       SVr4, 4.3BSD, C89, C99, POSIX.1-2001.

SEE ALSO

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

COLOPHON

       This  page  is  part of release 3.35 of the Linux man-pages project.  A
       description of the project, and information about reporting  bugs,  can
       be found at http://man7.org/linux/man-pages/.

                                  2011-09-14                         MEMCMP(3)