# define NO_SYS_PARAM_H
# define NO_SYS_UN_H
+# define DEFAULT_HOME "SYS$LOGIN:"
+
# else
/* !defined VMS */
# ifdef OPENSSL_UNISTD
# define open _open
# define fdopen _fdopen
# define close _close
-# define strdup _strdup
+# ifndef strdup
+# define strdup _strdup
+# endif
# 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 */