void version(void);
/* log.c */
-int radlog(int, const char *, ...);
-int log_debug(const char *, ...);
+int radlog(int, const char *, ...)
+#ifdef __GNUC__
+ __attribute__ ((format (printf, 2, 3)))
+#endif
+;
+int log_debug(const char *, ...)
+#ifdef __GNUC__
+ __attribute__ ((format (printf, 1, 2)))
+#endif
+;
/* pam.c */
#ifdef WITH_PAM