// Step back in the currently replayed trace // Returns: error code (0 if none happened).success step_back(void);
// Set the current event number, changing the PC register. // Input : the event to move to // Events are numbered in reverse order, i.e. 0 is the last available event. // Returns: error code.
success set_current_tev(long event);
// Get the current event number. // Returns: the current event number.
long get_current_tev(void);