#define SIGLONGJMP(buf,val) longjmp(buf,val)
#endif
+/* Temporary variable for SET_TOP_LEVEL. */
+
+int top_level_val;
+
+/* Do a setjmp on error_return and quit_return. catch_errors is
+ generally a cleaner way to do this, but main() would look pretty
+ ugly if it had to use catch_errors each time. */
+
+#define SET_TOP_LEVEL() \
+ (((top_level_val = SIGSETJMP (error_return)) \
+ ? (PTR) 0 : (PTR) memcpy (quit_return, error_return, sizeof (SIGJMP_BUF))) \
+ , top_level_val)
+
extern SIGJMP_BUF error_return;
extern SIGJMP_BUF quit_return;
extern void quit_force PARAMS ((char *, int));
extern void quit_command PARAMS ((char *, int));
+extern void setup_event_loop PARAMS ((void));
+extern void async_init_signals PARAMS ((void));
+
/* This function returns a pointer to the string that is used
by gdb for its command prompt. */
extern char *get_prompt PARAMS((void));