Introduction to Virtual Device Drivers



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VXDS

Structures


The following is a listing of structures used by the Interrupt 2Fh notification functions.

Win386_Startup_Info_Struc

Win386_Startup_Info_Struc STRUC

SIS_Version db 3, 0

SIS_Next_Dev_Ptr dd ?

SIS_Virt_Dev_File_Ptr dd 0

SIS_Reference_Data dd ?

SIS_Instance_Data_Ptr dd 0

SIS_Opt_Instance_Data_Ptr dd 0

Win386_Startup_Info_Struc ENDS
The Win386_Startup_Info_Struc structure contains information that Windows uses to prepare an MS-DOS device driver or TSR program for operation with Windows.

SIS_Version

Specifies the version number of the structure. Windows uses this member to determine the size of the structure. This member should contain 3 in the low-order byte and 10 in the high-order byte to indicate that it is version 3.1.




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