Corollary tasks are the creation and deletion of event sources. */
-typedef PTR gdb_client_data;
+typedef void *gdb_client_data;
struct async_signal_handler;
-typedef void (handler_func) (int, int, gdb_client_data);
+typedef void (handler_func) (int, gdb_client_data);
typedef void (sig_handler_func) (gdb_client_data);
typedef void (timer_handler_func) (gdb_client_data);
extern struct async_signal_handler *
create_async_signal_handler (sig_handler_func * proc, gdb_client_data client_data);
extern void delete_async_signal_handler (struct async_signal_handler **async_handler_ptr);
-extern void inferior_event_handler (int error, gdb_client_data client_data, int fd);
extern int create_timer (int milliseconds, timer_handler_func * proc, gdb_client_data client_data);
extern void delete_timer (int id);