/* * FIG : Facility for Interactive Generation of figures * Copyright (c) 1985-1988 by Supoj Sutanthavibul * Parts Copyright (c) 1989-2002 by Brian V. Smith * Parts Copyright (c) 1991 by Paul King * * Any party obtaining a copy of these files is granted, free of charge, a * full and unrestricted irrevocable, world-wide, paid up, royalty-free, * nonexclusive right and license to deal in this software and documentation * files (the "Software"), including without limitation the rights to use, * copy, modify, merge, publish distribute, sublicense and/or sell copies of * the Software, and to permit persons who receive copies from any such * party to do so, with the only requirement being that the above copyright * and this permission notice remain intact. * */ #ifndef U_UNDO_H #define U_UNDO_H /******************* DECLARE EXPORTS ********************/ extern F_compound saved_objects; extern F_compound object_tails; extern F_arrow *saved_for_arrow; extern F_arrow *saved_back_arrow; extern F_line *latest_line; /* for undo_join (line) */ extern F_spline *latest_spline; /* for undo_join (spline) */ extern void undo(); #endif /* U_UNDO_H */