Info Node: (history.info)Moving Around the History List
(history.info)Moving Around the History List
Moving Around the History List
------------------------------
These functions allow the current index into the history list to be
set or changed.
- Function: int history_set_pos (int pos)
Set the current history offset to POS, an absolute index into the
list. Returns 1 on success, 0 if POS is less than zero or greater
than the number of history entries.
- Function: HIST_ENTRY * previous_history (void)
Back up the current history offset to the previous history entry,
and return a pointer to that entry. If there is no previous
entry, return a `NULL' pointer.
- Function: HIST_ENTRY * next_history (void)
Move the current history offset forward to the next history entry,
and return the a pointer to that entry. If there is no next
entry, return a `NULL' pointer.