Online HelpPC 2.10      Quick Reference Utility     Copyright 1991 David Jurgens

 
                      MSC: int umask( int permission )                      
                                                                                
                                                                                
        - prototype in io.h, sys\types.h, sys\stat.h                            
                                                                                
        - changes permision in which a file may be accessed                     
        - permission    = S_IWRITE      write is forbidden                      
                        = S_IREAD       read is forbidden  (ignored by DOS)     
                        = S_IWRITE | S_IREAD  no reading or writing             
                                                                                
        - returns previous permission value                                     
                                                                                
                                                                                
 

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