/* The GIMP -- an image manipulation program * Copyright (C) 1995 Spencer Kimball and Peter Mattis * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef __LINKED_H__ #define __LINKED_H__ typedef struct _link { void *data; struct _link *next; } *link_ptr; extern link_ptr alloc_list (void); extern link_ptr free_list (link_ptr); extern link_ptr add_to_list (link_ptr, void *); extern link_ptr append_to_list (link_ptr, void *); extern link_ptr insert_in_list (link_ptr, void *, int); extern link_ptr remove_from_list (link_ptr, void *); extern link_ptr next_item (link_ptr); extern link_ptr nth_item (link_ptr, int); extern int list_length (link_ptr); #endif