INT 68 - APPC/PCIBM PC - CONNECTION CONTROL - DEALLOCATE
	AH = 02h subfn 0500h
	DS:DX -> control block (see #03685)
Return: control block updated
SeeAlso: AH=02h/SF=0100h,AH=02h/SF=0300h


Format of APPC/PCIBM PC "Deallocate" control block:
Offset	Size	Description	(Table 03685)
 00h 12 BYTEs	reserved
 0Ch	WORD	0500h (verb "Deallocate" or "MC_Deallocate")
 0Eh	BYTE	1 if MC_ (mapped conversation) form of verb
		0 if basic verb
 0Fh  5 BYTEs	reserved (0)
 14h	WORD	(big-endian) primary return code (see #03681)
 16h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	(big-endian) error code (see #03682)
 1Ah  8 BYTEs	(big-endian) TP_ID
 22h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	(big-endian) conversation ID
 26h	BYTE	00h
 27h	BYTE	type
		00h SYNC_LEVEL
		01h FLUSH
		02h ABEND_PROC
		03h ABEND_SVC
		04h ABEND_TIMER
		05h ABEND
 28h	WORD	(MC_Deallocate only) length of error log data
 2Ah	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	(MC_Deallocate only) pointer to error log data