+ offset into STRING. Pass STRING with *INDEX equal to the
+ history_expansion_char that begins this specification.
+ DELIMITING_QUOTE is a character that is allowed to end the string
+ specification for what to search for in addition to the normal
+ characters `:', ` ', `\t', `\n', and sometimes `?'. */
+extern char *get_history_event __P((char *, int *, int));