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 Introduction Set Status
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 CSETALL()    Saves all ON/OFF switch settings
 CSETCLIP()   Determines the content of CA-Clipper environmental variables
 CSETDATE()*  Queries the SET DATE setting
 CSETDECI()*  Queries the setting for SET DECIMALS TO
 CSETDEFA()*  Queries the setting for SET DEFAULT
 CSETFUNC()*  Queries the setting for SET FUNCTION TO
 CSETKEY()*   Queries the setting for SET KEY TO
 CSETLDEL()*  Queries the setting for the left delimiters
 CSETMARG()*  Queries the setting for SET MARGIN TO
 CSETPATH()*  Queries the setting for SET PATH TO
 CSETRDEL()*  Queries the setting for the right delimiter
 CSETRDONLY()*Queries/sets the read-only mode switch
 CSETSAFETY() Queries/sets the safety mode switch
 CSETSNOW()   Helps prevent snow on the screen
 CSETxxxx()*  Queries SET position of an ON/OFF switch and optionally sets it
 ISDEBUG()    Determines if the debugger is available in the application
 KSETCAPS()   Queries/sets the system setting for CAPS LOCK
 KSETINS()    Queries/sets the system setting for "INSERT"
 KSETNUM()    Queries/sets the system setting for NUMLOCK
 KSETSCROLL() Queries/sets the system setting for SCROLL LOCK
 LASTKFUNC()  Returns the function name that created the most-recent key trap
 LASTKLINE()  Returns the line number of the most-recent key trap
 LASTKPROC()  Returns the procedure name that was interrupted
 NUMFKEY()    Determines the number of function keys
 SETLASTKEY() Sets the value for LASTKEY()