int first_level; // first level number (to allow start with 0 or 1)
int last_level; // last level number (automatically calculated)
int sort_priority; // sort levels by 'sort_priority' and then by name
+ int pos; // custom position information of node in tree
boolean latest_engine;// force level set to use the latest game engine
void StartTextInput(int, int, int, int);
void StopTextInput(void);
void PushUserEvent(int, int, int);
+boolean PendingEscapeKeyEvent(void);
void InitJoysticks(void);
boolean ReadJoystick(int, int *, int *, boolean *, boolean *);