--- a/runopts.h	Wed Mar 12 23:40:02 2014 +0800
+++ b/runopts.h	Fri Jan 23 21:38:47 2015 +0800
@@ -37,8 +37,8 @@
 	int listen_fwd_all;
 #endif
 	unsigned int recv_window;
-	time_t keepalive_secs;
-	time_t idle_timeout_secs;
+	time_t keepalive_secs; /* Time between sending keepalives. 0 is off */
+	time_t idle_timeout_secs; /* Exit if no traffic is sent/received in this time */
 
 #ifndef DISABLE_ZLIB
 	/* TODO: add a commandline flag. Currently this is on by default if compression
@@ -164,4 +164,6 @@
 void parse_ciphers_macs();
 #endif
 
+void print_version(void);
+
 #endif /* _RUNOPTS_H_ */