)
Values for APPC/PC 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