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214402

Category: memory management

INT 21 - HIGHUMM.SYS v1.17+ - IOCTL - GET API ADDRESS

	AX = 4402h
	BX = handle for device "KSP$UMM"
	CX = 0004h
	DS:DX -> DWORD to hold entry point (see #01446)
Return: CF set on error
	    AX = error code (see #01680 at AH=59h/BX=0000h)
	CF clear if successful
	    AX = number of bytes read
Program: HIGHUMM.SYS is part of the shareware "The Last Byte" memory
	  management package by Key Software Products
SeeAlso: AX=4402h"LASTBYTE"


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