1 files changed, 31 insertions, 16 deletions

diff --git a/src/sys/sys.h b/src/sys/sys.h
index 99c9291..575d02d 100644
--- a/src/sys/sys.h
+++ b/src/sys/sys.h
@@ -14,40 +14,55 @@
 /// maximum line size throught the game
 #define MAXCMDSIZE 1024
 
-/// contains operating system dependent functions
-/** sys is a core subsystem
- */
+/**
+ * @brief platform dependent functions
+ * */
 namespace sys
 {
+
+/**
+ * @brief type definition for a signal handler function pointer
+ * */
 typedef void(* signalfunc)(int signum);
 
-/// returns true if a path exists and it is a directory
+/**
+ * @brief returns true if a path exists and is a directory
+ * */
 bool directory_exists(const std::string &path);
 
-/// returns true if a file exists
+/**
+ * @brief returns true if a file exists
+ * */
 bool file_exists(const std::string &filename);
 
-/// create a directory
+/**
+ * @brief create a directory
+ * */
 void mkdir(const std::string &path);
 
-/// intercept OS signals
+/**
+ * @brief install an OS signal handler
+ * */
 void signal(int signum, signalfunc handler);
-
 /**
  * @brief operation system exit() application
- * @param status return value
  */
 void quit(int status);
 
-/// suspend process for a number of seconds
-void sleep(float seconds);
+/**
+ * @brief suspend the current process for a number of milliseconds
+ * 1 second is 1000 milliseconds
+ * */
+void sleep(long milliseconds);
+
+/**
+ * @brief get the local system date and time
+ * */
+void get_localtime(int & hours, int & minutes, int & seconds);
 
-/// return the current system time of day, in seconds after midnight
-unsigned long time();
+void get_localtime(int &year, int & month, int & day, int & hours, int & minutes, int & seconds, int & milliseconds);
 
-/// get the current system date and time
-void get_datetime(int &year, int & month, int & day, int & hours, int & minutes, int &seconds);
-}
+} // namespace sys
 
 #include "sys/consoleinterface.h"