1 files changed, 15 insertions, 3 deletions
diff --git a/src/sys/sys.h b/src/sys/sys.h
index 86642e5..dec5ab9 100644
--- a/src/sys/sys.h
+++ b/src/sys/sys.h
@@ -9,18 +9,30 @@
 
 #include "config.h"
 
+/// maximum line size throught the game
+#define MAXCMDSIZE 1024
+
 /// contains operating system dependent functions
+/** sys is a core subsystem 
+ */
 namespace sys {
 	typedef void (* signalfunc)(int signum);
 	
 	/// create a directory
-	bool mkdir(const char *path);
+	extern bool mkdir(const char *path);
 	/// intercept OS signals
-	void signal(int signum, signalfunc handler);
+	extern void signal(int signum, signalfunc handler);
 	/// quit
 	/** @param status return value
 	 */
-	void quit(int status);
+	extern void quit(int status);
+
+	/// suspend process for a number of seconds
+	extern void sleep(float seconds);
+
+	/// return the current system time of day, in seconds after midnight
+	extern unsigned long time();
+
 }
 
 #include "sys/consoleinterface.h"