/***************************************************************************//*                                                                         *//*  ftlist.h                                                               *//*                                                                         *//*    Generic list support for FreeType (specification).                   *//*                                                                         *//*  Copyright 1996-2001 by                                                 *//*  David Turner, Robert Wilhelm, and Werner Lemberg.                      *//*                                                                         *//*  This file is part of the FreeType project, and may only be used,       *//*  modified, and distributed under the terms of the FreeType project      *//*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     *//*  this file you indicate that you have read the license and              *//*  understand and accept it fully.                                        *//*                                                                         *//***************************************************************************/  /*************************************************************************/  /*                                                                       */  /*  This file implements functions relative to list processing.  Its     */  /*  data structures are defined in `freetype.h'.                         */  /*                                                                       */  /*************************************************************************/#ifndef __FTLIST_H__#define __FTLIST_H__#include <ft2build.h>#include FT_FREETYPE_HFT_BEGIN_HEADER  /*************************************************************************/  /*                                                                       */  /* <Section>                                                             */  /*    list_processing                                                    */  /*                                                                       */  /* <Title>                                                               */  /*    List Processing                                                    */  /*                                                                       */  /* <Abstract>                                                            */  /*    Simple management of lists.                                        */  /*                                                                       */  /* <Description>                                                         */  /*    This section contains various definitions related to list          */  /*    processing using doubly-linked nodes.                              */  /*                                                                       */  /* <Order>                                                               */  /*    FT_List                                                            */  /*    FT_ListNode                                                        */  /*    FT_ListRec                                                         */  /*    FT_ListNodeRec                                                     */  /*                                                                       */  /*    FT_List_Add                                                        */  /*    FT_List_Insert                                                     */  /*    FT_List_Find                                                       */  /*    FT_List_Remove                                                     */  /*    FT_List_Up                                                         */  /*    FT_List_Iterate                                                    */  /*    FT_List_Iterator                                                   */  /*    FT_List_Finalize                                                   */  /*    FT_List_Destructor                                                 */  /*                                                                       */  /*************************************************************************/  /*************************************************************************/  /*                                                                       */  /* <Function>                                                            */  /*    FT_List_Find                                                       */  /*                                                                       */  /* <Description>                                                         */  /*    Finds the list node for a given listed object.                     */  /*                                                                       */  /* <Input>                                                               */  /*    list :: A pointer to the parent list.                              */  /*    data :: The address of the listed object.                          */  /*                                                                       */  /* <Return>                                                              */  /*    List node.  NULL if it wasn't found.                               */  /*                                                                       */  FT_EXPORT( FT_ListNode )  FT_List_Find( FT_List  list,                void*    data );  /*************************************************************************/  /*                                                                       */  /* <Function>                                                            */  /*    FT_List_Add                                                        */  /*                                                                       */  /* <Description>                                                         */  /*    Appends an element to the end of a list.                           */  /*                                                                       */  /* <InOut>                                                               */  /*    list :: A pointer to the parent list.                              */  /*    node :: The node to append.                                        */  /*                                                                       */  FT_EXPORT( void )  FT_List_Add( FT_List      list,               FT_ListNode  node );  /*************************************************************************/  /*                                                                       */  /* <Function>                                                            */  /*    FT_List_Insert                                                     */  /*                                                                       */  /* <Description>                                                         */  /*    Inserts an element at the head of a list.                          */  /*                                                                       */  /* <InOut>                                                               */  /*    list :: A pointer to parent list.                                  */  /*    node :: The node to insert.                                        */  /*                                                                       */  FT_EXPORT( void )  FT_List_Insert( FT_List      list,                  FT_ListNode  node );  /*************************************************************************/  /*                                                                       */  /* <Function>                                                            */  /*    FT_List_Remove                                                     */  /*                                                                       */  /* <Description>                                                         */  /*    Removes a node from a list.  This function doesn't check whether   */  /*    the node is in the list!                                           */  /*                                                                       */  /* <Input>                                                               */