Go forward to Searching the History List.
Go backward to Information About the History List.
Go up to History Functions.

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 position in the history list to POS, an absolute index
     into the list.

 - Function: HIST_ENTRY * previous_history ()
     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 ()
     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.