PPL User defined constants - a list
 AUTO        Auto press enter after 20 seconds of no user input
 BELL        Sound a bell when prompt displayed
 DEFS        Parm passed to various statements for default values
 ECHODOTS    Echo dots instead of user input
 ERASELINE   Erase the current line when user presses enter
 FALSE       BOOLEAN FALSE value
 FCL         Value passed to STARTDISP to force line counting display
 FIELDLEN    Displays "( )" to show input field width if ANSI enabled
 FNS         Value passed to STARTDISP to force non-stop display
 F_EXP       Expired subscription access allowed flag
 F_MW        Mail waiting flag for CONFFLAG and CONFUNFLAG
 F_REG       Registered access allowed flag
 F_SEL       Conference selected flag for CONFFLAG and CONFUNFLAG
 F_SYS       Conference SysOp access flag for CONFFLAG and CONFUNFLAG
 GRAPH       Parm sets DISPFILE to search for graphics specific files
 GUIDE       Displays "()" for FIELDLEN if ANSI not enabled
 HIGHASCII   Allow high ascii characters
 LANG        Parm sets DISPFILE to search for language specific files
 LFAFTER     Send an extra line feed after user presses enter
 LFBEFORE    Send an extra line feed before prompt display
 LOGIT       Log text to callers log
 LOGITLEFT   Log text to callers log, forcing left justification
 NC          Value passed to STARTDISP to not change display mode
 NEWLINE     Send a line feed after user presses enter
 NOCLEAR     Don't clear field at first keypress regardless of ANSI
 O_RD        Parm sets FCREATE/FOPEN/FAPPEND to open file read only
 O_RW        Parm sets FCREATE/FOPEN/FAPPEND to open file read/write
 O_WR        Parm sets FCREATE/FOPEN/FAPPEND to open file write only
 SEC         Parm sets DISPFILE to search for security specific files
 STACKED     Allow semi-colons and spaces to be input
 S_DB        Parm sets FCREATE/FOPEN/FAPPEND to deny read/write
 S_DN        Parm sets FCREATE/FOPEN/FAPPEND to allow read/write
 S_DR        Parm sets FCREATE/FOPEN/FAPPEND to deny read access
 S_DW        Parm sets FCREATE/FOPEN/FAPPEND to deny write access
 TRUE        BOOLEAN TRUE Value
 UPCASE      Force user input to upper case
 WORDWRAP    Save the text at the end of the line
 YESNO       Only allow international yes/no responses