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Int 21 Fn 4402 U - IBM System 36/38 Workstation Emulation - Vdi.sys - Ge [I]
AX = 4402h
BX = handle for character device "GDMS"
CX = number of bytes to read (>= 4)
DS:DX -> buffer (see below)
Return: CF set on error
AX = error code (see AH=59h)
CF clear if successful
AX = number of bytes read
Format of returned data:
Offset Size Description
00h 4 BYTEs ???
04h DWORD pointer to ???
08h 4 BYTEs ???
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