55 lines
1.1 KiB
C
55 lines
1.1 KiB
C
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/********************************************************************/
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/** Microsoft LAN Manager **/
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/** Copyright(c) Microsoft Corp., 1987-1990 **/
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/********************************************************************/
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#ifndef _HEAP_INCLUDED
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#define _HEAP_INCLUDED
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//static char *SCCSID = "@(#)heap.h 1.1 85/10/09";
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//
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// Shared Memory Heap Allocator include file
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//
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//
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// Constant definitions
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//
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#define INULL ((DWORD) -1)
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//
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// Structure and macro definitions
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//
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//
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// Heap Block Header
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//
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typedef struct blk {
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DWORD hp_size; // Size of block incl. header
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DWORD hp_flag; // Allocation flag
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}HEAPHDR, *PHEAPHDR, *LPHEAPHDR;
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#define HP_SIZE(x) (x).hp_size
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#define HP_FLAG(x) (x).hp_flag
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#define HPTR(x) ((LPHEAPHDR) &heap[(x)])
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#define CPTR(x) (&heap[(x)])
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#define Msgheapfree(x) HP_FLAG(*HPTR(x)) = 0
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//
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// Data
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//
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extern LPBYTE heap; // Pointer to start of heap
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extern DWORD heapln; // Length of heap
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//
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// Functions
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//
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DWORD
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Msgheapalloc(
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IN DWORD NumBytes
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);
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#endif // _HEAP_INCLUDED
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