LAPCloseProtocol
ABByte theLAPType; protocol type specification. recommended that you use the preferred call, PDetachPH instead. theLAPType from the node's protocol table.
Warning:Do not close ALAP protocol type values 1 or 2. If you close these
protocol types, DDP will be disabled; once disabled, the only way to restore
DDP is to restart the system, or to close and then reopen AppleTalk.
theLAPType specifies the ALAP protocol to be added.
noErr (0) No error
lapProtErr (-94) Error detaching protocol type.