extern void async_init_signals PARAMS ((void));
extern void set_async_editing_command PARAMS ((char *, int, struct cmd_list_element *));
extern void set_async_annotation_level PARAMS ((char *, int, struct cmd_list_element *));
extern void async_init_signals PARAMS ((void));
extern void set_async_editing_command PARAMS ((char *, int, struct cmd_list_element *));
extern void set_async_annotation_level PARAMS ((char *, int, struct cmd_list_element *));