extern void handle_sigint (int sig);
extern void pop_prompt (void);
extern void push_prompt (char *prefix, char *prompt, char *suffix);
-extern void gdb_readline2 (gdb_client_data client_data);
-extern void mark_async_signal_handler_wrapper (PTR token);
-extern void async_request_quit (gdb_client_data arg);
-extern void stdin_event_handler (int error, int fd, gdb_client_data client_data);
+extern void gdb_readline2 (void *client_data);
+extern void mark_async_signal_handler_wrapper (void *token);
+extern void async_request_quit (void *arg);
+extern void stdin_event_handler (int error, void *client_data);
extern void async_disable_stdin (void);
extern void async_enable_stdin (void *dummy);
extern char *async_annotation_suffix;
extern char *new_async_prompt;
extern struct prompts the_prompts;
-extern void (*call_readline) (gdb_client_data);
+extern void (*call_readline) (void *);
extern void (*input_handler) (char *);
extern int input_fd;