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Annotation of researchv10dc/man/man2/fmount.2, revision 1.1

1.1     ! root        1: .TH FMOUNT 2
        !             2: .CT 2 sa comm_proc
        !             3: .SH NAME
        !             4: fmount, funmount \- mount or remove file system
        !             5: .SH SYNOPSIS
        !             6: .nf
        !             7: .B int fmount(type, fildes, name, flag)
        !             8: .B char *name;
        !             9: .sp
        !            10: .B int funmount(name)
        !            11: .B char *name;
        !            12: .fi
        !            13: .SH DESCRIPTION
        !            14: .I Fmount
        !            15: mounts a file system of the named
        !            16: .I type
        !            17: described by the file descriptor
        !            18: .I fildes
        !            19: on pathname
        !            20: .IR name .
        !            21: Henceforth,
        !            22: references to
        !            23: .I name
        !            24: (the mount point)
        !            25: will refer to the root file
        !            26: on the newly mounted file system.
        !            27: .PP
        !            28: .I Name
        !            29: must already exist.
        !            30: Its old contents are inaccessible while the
        !            31: file system is mounted.
        !            32: .PP
        !            33: The meaning of
        !            34: .I flag
        !            35: varies with the file system type.
        !            36: .PP
        !            37: Allowed types are
        !            38: .TP
        !            39: .B 0
        !            40: Regular (block device) file system.
        !            41: .I Fildes
        !            42: must be a block special file.
        !            43: If
        !            44: .I flag
        !            45: is nonzero,
        !            46: the file system may not be written on;
        !            47: this must be used with physically write-protected media
        !            48: or errors will occur when access times are updated,
        !            49: even if no explicit write is attempted.
        !            50: .TP
        !            51: .B 2
        !            52: Process file system,
        !            53: .IR proc (4).
        !            54: .I Fildes
        !            55: is ignored.
        !            56: .TP
        !            57: .B 3
        !            58: Mounted stream.
        !            59: .I Fildes
        !            60: must refer to a stream;
        !            61: future calls to
        !            62: .IR open (2)
        !            63: on
        !            64: .I name
        !            65: will reopen that stream.
        !            66: The mount is undone
        !            67: if the other end of the stream
        !            68: is closed or hung up.
        !            69: .TP
        !            70: .B 4
        !            71: Stream (network) file system.
        !            72: .I Fildes
        !            73: is a stream
        !            74: connected to a file system server,
        !            75: .IR netfs (8).
        !            76: .PP
        !            77: Types 5 and 6
        !            78: are used internally
        !            79: to close off errors
        !            80: and for pipes;
        !            81: these types may not be mounted.
        !            82: .PP
        !            83: .I Funmount
        !            84: removes knowledge of the file system
        !            85: mounted at
        !            86: .IR name .
        !            87: The mount point
        !            88: reverts to its previous interpretation.
        !            89: .PP
        !            90: The userid owning
        !            91: .I name
        !            92: may mount or unmount file systems
        !            93: of type 3 or 4.
        !            94: For other types,
        !            95: these calls are restricted to the super-user.
        !            96: .SH SEE ALSO
        !            97: .IR mount (8),
        !            98: .IR netfs (8),
        !            99: .IR proc (4),
        !           100: .IR stream (4)
        !           101: .SH DIAGNOSTICS
        !           102: .BR EBADF ,
        !           103: .BR EBUSY ,
        !           104: .BR EINVAL ,
        !           105: .BR EIO ,
        !           106: .BR ENODEV
        !           107: .SH BUGS
        !           108: Although
        !           109: .I fildes
        !           110: for type 2 file systems is ignored,
        !           111: it must be a valid file descriptor.

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