-extern struct cmd_list_element *unsethistlist;
-
-/* Chain containing all defined maintenance subcommands. */
-
-extern struct cmd_list_element *maintenancelist;
-
-/* Chain containing all defined "maintenance info" subcommands. */
-
-extern struct cmd_list_element *maintenanceinfolist;
-
-/* Chain containing all defined "maintenance print" subcommands. */
-
-extern struct cmd_list_element *maintenanceprintlist;
-
-extern struct cmd_list_element *setprintlist;
-
-extern struct cmd_list_element *showprintlist;
-
-extern struct cmd_list_element *setdebuglist;
-
-extern struct cmd_list_element *showdebuglist;
-
-extern struct cmd_list_element *setchecklist;
-
-extern struct cmd_list_element *showchecklist;
-
-extern void execute_user_command (struct cmd_list_element *, char *);
-
-extern void execute_command (char *, int);
-
-enum command_control_type execute_control_command (struct command_line *);
+extern void execute_command_to_string (const char *p,
+ int from_tty, bool term_out);