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Annotation of 43BSDReno/lib/libc/gen/setmode.3, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1989 The Regents of the University of California.
        !             2: .\" All rights reserved.
        !             3: .\"
        !             4: .\" Redistribution and use in source and binary forms are permitted provided
        !             5: .\" that: (1) source distributions retain this entire copyright notice and
        !             6: .\" comment, and (2) distributions including binaries display the following
        !             7: .\" acknowledgement:  ``This product includes software developed by the
        !             8: .\" University of California, Berkeley and its contributors'' in the
        !             9: .\" documentation or other materials provided with the distribution and in
        !            10: .\" all advertising materials mentioning features or use of this software.
        !            11: .\" Neither the name of the University nor the names of its contributors may
        !            12: .\" be used to endorse or promote products derived from this software without
        !            13: .\" specific prior written permission.
        !            14: .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            15: .\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            16: .\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            17: .\"
        !            18: .\"    @(#)setmode.3   5.3 (Berkeley) 6/23/90
        !            19: .\"
        !            20: .TH SETMODE 3 "June 23, 1990"
        !            21: .UC 7
        !            22: .SH NAME
        !            23: getmode, setmode \- modify mode bits
        !            24: .SH SYNOPSIS
        !            25: .nf
        !            26: .ft B
        !            27: getmode(set, mode)
        !            28: mode_t *set, mode;
        !            29: 
        !            30: set = setmode(mode_str)
        !            31: mode_t *set;
        !            32: char *mode_str;
        !            33: .ft R
        !            34: .fi
        !            35: .SH DESCRIPTION
        !            36: .I Getmode
        !            37: returns a copy of the file permission bits
        !            38: .I mode
        !            39: as altered by the values pointed to by
        !            40: .IR set .
        !            41: While only the mode bits are altered, other parts of the file mode
        !            42: may be examined.
        !            43: .PP
        !            44: .I Setmode
        !            45: takes an absolute (octal) or symbolic value, as described in
        !            46: .IR chmod (1),
        !            47: as an argument
        !            48: and returns a pointer to mode values to be supplied to
        !            49: .IR getmode .
        !            50: Because some of the symbolic values are relative to the file
        !            51: creation mask,
        !            52: .I setmode
        !            53: may call
        !            54: .IR umask (2).
        !            55: If this occurs, the file creation mask will be restored before
        !            56: .I setmode
        !            57: returns.
        !            58: If the calling program changes the value of its file creation mask
        !            59: after calling
        !            60: .IR setmode ,
        !            61: .I setmode
        !            62: must be called again if
        !            63: .I getmode
        !            64: is to modify future file modes correctly.
        !            65: .PP
        !            66: If the mode passed to
        !            67: .I setmode
        !            68: is invalid,
        !            69: .I setmode
        !            70: returns NULL.
        !            71: .SH ERRORS
        !            72: .I Setmode
        !            73: may fail and set errno for any of the errors specified for the library
        !            74: routine
        !            75: .IR malloc (3).
        !            76: .SH SEE ALSO
        !            77: chmod(1), stat(2), umask(2), malloc(3)

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