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  Constant:  SH_COMPAT, SH_DENYRW, SH_DENYWR, SH_DENYRD, SH_DENYNO,
             O_NOINHERIT
 
  Include:   <share.h>
 
  Context:   sopen, _dos_open, _fsopen
 
  Synopsis:  The <shflag> argument determines the sharing mode, which
             consists of one or more manifest constants. These can be
             combined with the <oflag> arguments above when used in
             _dos_open.
 
     The constants and their meanings are listed below:
 
     Constant        Meaning
 
     SH_COMPAT       Sets compatibility mode
 
     SH_DENYRW       Denies read and write access to file
 
     SH_DENYWR       Denies write access to file
 
     SH_DENYRD       Denies read access to file
 
     SH_DENYNO       Permits read and write access
 
     O_NOINHERIT     File is not inherited by child process
                     (_dos_open only)