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Annotation of researchv10dc/man/adm/man2/access.2, revision 1.1

1.1     ! root        1: .TH ACCESS 2
        !             2: .CT 2 dirs file_inq_creat secur
        !             3: .SH NAME
        !             4: access \(mi determine accessibility of file
        !             5: .SH SYNOPSIS
        !             6: .nf
        !             7: .B int access(name, mode)
        !             8: .B char *name;
        !             9: .fi
        !            10: .SH DESCRIPTION
        !            11: .I Access
        !            12: checks the given
        !            13: file
        !            14: .I name
        !            15: for accessibility.
        !            16: If \fImode\fL&4\fR
        !            17: is nonzero,
        !            18: read permission is expected;
        !            19: if \fImode\fL&2\fR,
        !            20: write permission;
        !            21: if \fImode\fL&1\fR,
        !            22: execute permission.
        !            23: If \fImode\fL==0\fR,
        !            24: the file merely need exist.
        !            25: In any case
        !            26: all directories leading to the file
        !            27: must permit searches.
        !            28: 0 is returned if the desired access is permitted,
        !            29: \-1 if not.
        !            30: .PP
        !            31: Permission is checked
        !            32: against the real userid and groupid of the process;
        !            33: this call is best used with set-userid and set-groupid programs.
        !            34: .PP
        !            35: Only access bits are checked.
        !            36: A directory may be announced as writable by
        !            37: .IR access ,
        !            38: but an attempt to open it for writing will fail
        !            39: (although files may be created there);
        !            40: a file may look executable, but
        !            41: .IR exec (2)
        !            42: will fail unless it is in proper format.
        !            43: .PP
        !            44: .SH SEE ALSO
        !            45: .IR stat (2)
        !            46: .SH DIAGNOSTICS
        !            47: .BR EACCES ,
        !            48: .BR EFAULT ,
        !            49: .BR EIO ,
        !            50: .BR ELOOP ,
        !            51: .BR ENOENT ,
        !            52: .BR ENOTDIR ,
        !            53: .BR EROFS ,
        !            54: .BR ETXTBSY

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