Int 68 Fn 01  - Appc/pc - Network Device Control - Display                 [N]

   AH = 01h subfn 1B00h
   DS:DX -> control block

Return: control block updated

See Also: AH=01h/SF=2000h,AH=01h/SF=2B00h

Format of control block:
Offset Size    Description
 00h 12 BYTEs  reserved
 0Ch   WORD    1B00h (verb "DISPLAY")
 0Eh  6 BYTEs  00h
 14h   DWORD   (big-endian) return code (see below)
 18h   WORD    00h
 1Ah  8 BYTEs  (big-endian) logical unit ID
 22h  8 BYTEs  (big-endian) partner logical unit name
 2Ah  8 BYTEs  (big-endian) mode name
 32h   BYTE    logical unit session limit
 33h   BYTE    partner logical unit session limit
 34h   BYTE    node maximum negotiable session limit
 35h   BYTE    current session limit
 36h   BYTE    minimum negotiated winner limit
 37h   BYTE    maximum negotiated loser limit
 38h   BYTE    active session count
 39h   BYTE    active CONWINNER session count
 3Ah   BYTE    active CONLOSER session count
 3Bh   BYTE    session termination count
 3Ch   BYTE    bit 7: SESSION_TERMINATION_TARGET_DRAIN
       bit 6: SESSION_TERMINATION_SOURCE_DRAIN

Values for return code:
 0000h successful
 0001h BAD_TP_ID
 0002h BAD_CONV_ID
 0003h bad logical unit ID
 0008h no physical unit attached
 0110h bad state
 01B1h BAD_PART_LUNAME
 01B2h bad mode name
 0201h physical unit already active
 0211h logical unit already active
 0212h BAD_PART_SESS
 0213h BAD_RU_SIZES
 0214h BAD_MODE_SESS
 0216h BAD_PACING_CNT
 0219h EXTREME_RUS
 021Ah SNASVCMG_1
 0223h SSCP_CONNECTED_LU
 0230h invalid change
 0243h too many TPs
 0272h adapter close failure
 0281h GET_ALLOC_BAD_TYPE
 0282h unsuccessful
 0283h DLC failure
 0284h unrecognized DLC
 0286h duplicate DLC
 0301h SSCP_PU_SESSION_NOT_ACTIVE
 0302h data exceeds RU size
 0401h invalid direction
 0402h invalid type
 0403h segment overlap
 0404h invalid first character
 0405h table error
 0406h conversion error
 F0010000h APPC disabled
 F0020000h APPC busy
 F0030000h APPC abended
 F0040000h incomplete