/*** mm.hmd - Memory Manager routines and callback routines for cw
*
*   Copyright <C> 1989, Microsoft Corporation
*
* Purpose:  handle the near and far memory requests of cw and help systems.
*
*
*************************************************************************/
/* based heap function prototypes, defines */

extern unsigned long ucbHelpBuffer;
extern unsigned long ulcbDLLBuffer;


enum _misc {
    cbFWORKMIN      = 0x1000,   // minimum far memory needed
    cbFWORKGRAN     = 0x0200,   // granularity decrement when allocating space
    cbNEARBUFFER    = 0x2000,   // near work buffer size, 8K bytes.
    cbFWORKSTART    = 0x2000,   // start with 8K bytes in far space.  (does
                                //  not include help buffer)
    cbNEARLEAVEFREE = 0x800,    // leave a minimum of 2K bytes free in SBAlloc.
    MB_TABLE_MAX    = 7,        // Number of MB tables
    MB_ENTRY_MAX    = 128       // Number of entries in MB table

    };

//
// Far work space data
//
#define MAXHEAPSELS (7)

#if defined(DOS16)
#define cHEAPSEL (sizeof(selBasedHeap)/sizeof(WORD))
#endif

// forward declarations

// LOCAL
PMB PASCAL PmbHmemToPmb ( HDEP hdep );

LOCAL WORD PASCAL bselAlloc ( unsigned short *, long );