INT 68 - APPC/PCIBM PC - GET ALLOCATE
	AH = 03h subfn 2800h
	DS:DX -> control block (see #03700)
Return: control block updated


Format of APPC/PCIBM PC "Get ALLOCATE" control block:
Offset	Size	Description	(Table 03700)
 00h 12 BYTEs	reserved
 0Ch	WORD	2800h (verb "Get ALLOCATE")
 0Eh  6 BYTEs	00h
 14h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	(big-endian) return code (see #03668)
 18h	WORD	00h
 1Ah  8 BYTEs	(big-endian) logical unit ID
 22h	BYTE	type (00h dequeue, 01h test)
 23h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	pointer to CREATE_TP record