QUIT
 Terminate program processing
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 Syntax

     QUIT | CANCEL*

 Description

     QUIT and CANCEL both terminate program processing, close all open files,
     and return control to the operating system.  Each of these commands can
     be used from anywhere in a program system.  A RETURN executed at the
     highest level procedure or a BREAK, with no pending SEQUENCE, also QUITs
     the program.

 Notes

     .  Return code: When a CA-Clipper program terminates, the return
        code is set to 1 if the process ends with a fatal error.  If the
        process ends normally, the return code is set to zero or the last
        ERRORLEVEL() set in the program.

 Examples

     .  This example uses QUIT in a dialog box:

        IF DialogYesNo(10, 10, "Quit to DOS", "BG+/B,B/W", 2)
           QUIT
        ENDIF
        RETURN

 Files:     Library is CLIPPER.LIB.