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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)