38 lines
1.0 KiB
C
38 lines
1.0 KiB
C
/*
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File: HList.h
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Contains: Interface definition for routines in HList.c
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Written by: Phil Goldman
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Copyright: © 1988-1991 by Apple Computer, Inc., all rights reserved.
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Change History (most recent first):
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<0> 5/12/88 PYG New Today.
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*/
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#ifndef __HLIST__
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#define __HLIST__
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/* HList types */
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typedef unsigned long HListElem, *HListPtr, **HListHdl;
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typedef void (HListElemFnc)(HListElem hListElem);
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/* Macros that should be inline functions */
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#define CreateHList(initialSlopSlots) ((HListHdl)NewHandleClear((initialSlopSlots) * sizeof(HListElem)))
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#define HListExists(hListHdl) ((hListHdl) != nil)
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#define HListCount(hListHdl) (((u_size)(GetHandleSize(hListHdl)))/sizeof(HListElem))
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/* Function headers */
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OSErr AddToHList(HListHdl, HListElem);
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OSErr RemoveFromHList(HListHdl, HListElem);
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void DestroyHList(HListHdl);
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HListElem RecoverHListElem(HListHdl, Ptr);
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void ApplyToHListElems(HListHdl, HListElemFnc *);
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OSErr InHList(HListHdl, HListElem);
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HListElem GetFirstHListElem(HListHdl);
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#endif __HLIST__
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