umask(2)                                                           umask(2)


   NAME
         umask - set and get file creation mask

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

         modet umask(modet cmask);

   DESCRIPTION
         umask 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.

   SEE ALSO
         chmod(2), creat(2), mknod(2), open(2), stat(5).
         mkdir(1), sh(1) in the User's Reference Manual.

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

































   7/91                                                                 Page 1