+/* flags.h -- a list of all the flags that the shell knows about. You add
+ a flag to this program by adding the name here, and in flags.c. */
+
+#if !defined (_FLAGS_H)
+#define _FLAGS_H
+
+/* Welcome to the world of Un*x, where everything is slightly
+ backwards. */
+#define FLAG_ON '-'
+#define FLAG_OFF '+'
+
+#define FLAG_ERROR -1
+
+/* The thing that we build the array of flags out of. */
+struct flags_alist {
+ char *name;
+ int *value;
+};
+
+extern struct flags_alist shell_flags[];
+
+extern int
+ mark_modified_vars, exit_immediately_on_error, disallow_filename_globbing,
+ locate_commands_in_functions, place_keywords_in_env, read_but_dont_execute,
+ just_one_command, unbound_vars_is_error, echo_input_at_read,
+ echo_command_at_execute, lexical_scoping, no_invisible_vars, noclobber,
+ hashing_disabled, forced_interactive, history_expansion,
+ asynchronous_notification;
+
+extern int *find_flag ();
+extern int change_flag (), change_flag_char ();
+extern char *which_set_flags ();
+
+#endif /* _FLAGS_H */