# if defined(OPENSSL_SYS_WINDOWS)
# define strcasecmp _stricmp
# define strncasecmp _strnicmp
-# elif defined(OPENSSL_SYS_VMS)
-/* VMS below version 7.0 doesn't have strcasecmp() */
-# include "internal/o_str.h"
-# define strcasecmp OPENSSL_strcasecmp
-# define strncasecmp OPENSSL_strncasecmp
-# define OPENSSL_IMPLEMENTS_strncasecmp
+# if (_MSC_VER >= 1310)
+# define open _open
+# define fdopen _fdopen
+# define close _close
+# define strdup _strdup
+# define unlink _unlink
+# endif
+# else
+# include <strings.h>
# endif
/* vxworks */