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Annotation of 43BSDReno/lib/libc/sys/umask.2, revision 1.1.1.1

1.1       root        1: .\" Copyright (c) 1980 Regents of the University of California.
                      2: .\" All rights reserved.  The Berkeley software License Agreement
                      3: .\" specifies the terms and conditions for redistribution.
                      4: .\"
                      5: .\"    @(#)umask.2     6.1 (Berkeley) 5/9/85
                      6: .\"
                      7: .TH UMASK 2 "May 9, 1985"
                      8: .UC 4
                      9: .SH NAME
                     10: umask \- set file creation mode mask
                     11: .SH SYNOPSIS
                     12: .ft B
                     13: oumask = umask(numask)
                     14: .br
                     15: int oumask, numask;
                     16: .ft R
                     17: .SH DESCRIPTION
                     18: .I Umask
                     19: sets the process's file mode creation mask to \fInumask\fP
                     20: and returns the previous value of the mask.  The low-order
                     21: 9 bits of \fInumask\fP are used whenever a file is created,
                     22: clearing corresponding bits in the file mode
                     23: (see
                     24: .IR chmod (2)).
                     25: This clearing allows each user to restrict the default access
                     26: to his files.
                     27: .PP
                     28: The value is initially 022 (write access for owner only).
                     29: The mask is inherited by child processes.
                     30: .SH "RETURN VALUE
                     31: The previous value of the file mode mask is returned by the call.
                     32: .SH SEE ALSO
                     33: chmod(2), mknod(2), open(2)

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