These variables can be read and changed in an IPL module.  Reading these
variables works fine, but changing them has not been tested.  Change at your
own risk.

HANGUP - has the user hung up the line?
   type: bool
   example: if hangup then {exit}

HUNGUP - has the user been hung up on or lost carrier?
   type: bool
   example: if hungup then {exit}

REMOTEOUT - are we outputting to the remote terminal?
   type: bool

REMOTEIN - are we accepting input from the remote terminal?
   type: bool


LOCALIO - are we in local mode?
   type: bool

MODEMIO - are we using modem i/o?
   type: bool

USERON - is there a user online?
   type: bool

LOGGEDIN - has the user logged in yet?
   type: bool

SCREENOFF - are screen writes on?
   type: bool

TEMPSYSOP - is temporary sysop enabled for the user currently online?
   type: bool

QUITAFTER - quit the bbs after the user disconnects?
   type: bool
 

KEYLOCAL - is local key input on?
   type: bool

USETAG - enables the users read tag usage, limiting the user to only be
         able to read EMAIL messages of the current read tag.
   type: bool

TIMECHECK - check if user is out of time?
   type: bool

ASDOOR - is the bbs being run as a door?
   type: bool

MCONFALL - scan all message ares in the current conferance?
   type: bool

FCONFALL - scan all the message areas in the current conferance?
   type: bool

IOERROR - the status of the last file i/o... 0 if successful, 1 if not
   type: byte


NODE - the current node number
   type: byte

NUMBATCH - number of files in batch download queue
   type: byte

CHATREASON - the last chat reason
   type: str

INPUTSTRING - input string
   type: str

NUMEVENT - number of events
   type: word

NUMMAREA - number of message areas
   type: word

NUMFAREA - number of file areas
   type: word


NUMUSERS - number of users on board
   type: word

NUMMCONF - number of message conferences
   type: word

NUMFCONF - number of file conferences
   type: word

NUMTLIB - number of textfile libraries
   type: word

NUMIFORM - number of infoforms
   type: word

EMAILTAG - this sets the outgoing email tag for a user
   type: word

READTAG - this sets the incoming email tag for a user
   type: word


RESULT - IPL return result
   type: word