INT 21 U - OS/2 v1.x FAPI - "DosQMaxEASize" - GET MAXIMUM SIZE OF EXTENDED ATTR AX = 6F00h DS:SI -> DWORDDoubleword; four bytes. Commonly used to hold a 32-bit segment:offset or selector:offset address. buffer for maximum size of an extended attribute Return: CF clear if successful AX = 0000h buffer filled CF set on error AX = error code Note: also supported by OS/2 v2.0+ Virtual DOS Machines SeeAlso: AX=5703h,AX=6C01h,AH=6Eh"OS/2"