#endif
#ifndef USE_CRYPT
-#include <des.h>
+#include <openssl/des.h>
#endif
-extern bool DesSetkey __P((u_char *));
-extern bool DesEncrypt __P((u_char *, u_char *));
-extern bool DesDecrypt __P((u_char *, u_char *));
+extern bool DesSetkey(u_char *);
+extern bool DesEncrypt(u_char *, u_char *);
+extern bool DesDecrypt(u_char *, u_char *);
#endif /* PPPCRYPT_H */