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System Calls                                             umask(2)



NAME
     umask - set and get file creation mask

SYNOPSIS
     #include <sys/types.h>
     #include <sys/stat.h>

     mode_t umask(mode_t cmask);

DESCRIPTION
     The umask() function sets the  process's file mode  creation
     mask  to  cmask  and returns the previous value of the mask.
     Only the access permission bits of cmask and the  file  mode
     creation  mask  are  used.  The  mask  is inherited by child
     processes. See intro(2) for more information on masks.

RETURN VALUES
     The previous  value  of  the  file  mode  creation  mask  is
     returned.

ATTRIBUTES
     See attributes(5) for descriptions of the  following  attri-
     butes:

     ____________________________________________________________
    |       ATTRIBUTE TYPE        |       ATTRIBUTE VALUE       |
    |_____________________________|_____________________________|
    | MT-Level                    | Async-Signal-Safe           |
    |_____________________________|_____________________________|


SEE ALSO
     mkdir(1), sh(1),  intro(2),  chmod(2),  creat(2),  mknod(2),
     open(2), stat(3HEAD), attributes(5)





















SunOS 5.9           Last change: 28 Dec 1996                    1