+#include "buffer.h"
+
+/* These should be in the system headers but are not. */
+int usrinfo(int, char *, int);
+#if (HAVE_DECL_SETAUTHDB == 0)
+int setauthdb(const char *, char *);
+#endif
+/* these may or may not be in the headers depending on the version */
+#if (HAVE_DECL_AUTHENTICATE == 0)
+int authenticate(char *, char *, int *, char **);
+#endif
+#if (HAVE_DECL_LOGINFAILED == 0)
+int loginfailed(char *, char *, char *);
+#endif
+#if (HAVE_DECL_LOGINRESTRICTIONS == 0)
+int loginrestrictions(char *, int, char *, char **);
+#endif
+#if (HAVE_DECL_LOGINSUCCESS == 0)
+int loginsuccess(char *, char *, char *, char **);
+#endif
+#if (HAVE_DECL_PASSWDEXPIRED == 0)
+int passwdexpired(char *, char **);
+#endif
+