# define strdup _strdup
# define unlink _unlink
# endif
-# 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
+# else
+# include <strings.h>
# endif
/* vxworks */