InterviewSolution
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How Much Real Memory Is Allocated By Wbtrcall.dll V6.10x To Communicate With The Btrieve Dos Requester, Brequest.exe? |
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Answer» WBTRCALL.DLL is a DOS Protected MODE Interface (DPMI) and allocates real mode memory according to the FOLLOWING formula: DOSPARMBLK + maxDataLen + POSBLK_SIZE + KEYBUF_SIZE + 2 bytes where: DOSPARMBLK is 28 bytes maxDataLen is defined by /d switch specified on the BREQUEST.EXE COMMAND LINE POSBLK_SIZE is 128 bytes KEYBUF_SIZE is 255 WBTRCALL.DLL is a DOS Protected Mode Interface (DPMI) and allocates real mode memory according to the following formula: DOSPARMBLK + maxDataLen + POSBLK_SIZE + KEYBUF_SIZE + 2 bytes where: DOSPARMBLK is 28 bytes maxDataLen is defined by /d switch specified on the BREQUEST.EXE command line POSBLK_SIZE is 128 bytes KEYBUF_SIZE is 255 |
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