-/* Generally one should use catch_errors rather than manipulating these
- directly. The exception is main(). */
-#if defined(HAVE_SIGSETJMP)
-#define SIGJMP_BUF sigjmp_buf
-#define SIGSETJMP(buf) sigsetjmp(buf, 1)
-#define SIGLONGJMP(buf,val) siglongjmp(buf,val)
-#else
-#define SIGJMP_BUF jmp_buf
-#define SIGSETJMP(buf) setjmp(buf)
-#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 print_gdb_version PARAMS ((GDB_FILE *));
-
-extern void source_command PARAMS ((char *, int));
-extern void cd_command PARAMS ((char *, int));
-extern void read_command_file PARAMS ((FILE *));
-extern void init_history PARAMS ((void));
-extern void command_loop PARAMS ((void));
-extern int quit_confirm PARAMS ((void));
-extern void quit_force PARAMS ((char *, int));
-extern void quit_command PARAMS ((char *, int));
-extern void command_loop_marker PARAMS ((int));
-extern int quit_cover PARAMS ((PTR));
-extern void execute_command PARAMS ((char *, int));
+extern void print_gdb_version (struct ui_file *);
+
+extern void source_command (char *, int);
+extern void cd_command (char *, int);
+extern void read_command_file (FILE *);
+extern void init_history (void);
+extern void command_loop (void);
+extern void simplified_command_loop (char *(*read_input_func) (char *),
+ void (*execute_command_func) (char *,
+ int));
+extern int quit_confirm (void);
+extern void quit_force (char *, int);
+extern void quit_command (char *, int);
+extern int quit_cover (void *);
+extern void execute_command (char *, int);