# define OSSL_APPS_H
# include "e_os.h" /* struct timeval for DTLS */
-# include "internal/cryptlib.h" /* for HAS_PREFIX */
+# include "internal/common.h" /* for HAS_PREFIX */
# include "internal/nelem.h"
# include "internal/sockets.h" /* for openssl_fdset() */
# include <assert.h>