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Annotation of 43BSDTahoe/man/man2/readlink.2, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1983 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: .\"    @(#)readlink.2  6.4 (Berkeley) 8/26/85
        !             6: .\"
        !             7: .TH READLINK 2 "August 26, 1985"
        !             8: .UC 5
        !             9: .SH NAME
        !            10: readlink \- read value of a symbolic link
        !            11: .SH SYNOPSIS
        !            12: .nf
        !            13: .ft B
        !            14: cc = readlink(path, buf, bufsiz)
        !            15: int cc;
        !            16: char *path, *buf;
        !            17: int bufsiz;
        !            18: .fi
        !            19: .ft R
        !            20: .SH DESCRIPTION
        !            21: .I Readlink
        !            22: places the contents of the symbolic link
        !            23: .I name
        !            24: in the buffer
        !            25: .I buf,
        !            26: which has size
        !            27: .IR bufsiz . 
        !            28: The contents of the link are not null terminated when returned.
        !            29: .SH "RETURN VALUE
        !            30: The call returns the count of characters placed in the buffer
        !            31: if it succeeds, or a \-1 if an error occurs, placing the error
        !            32: code in the global variable \fIerrno\fP.
        !            33: .SH "ERRORS
        !            34: .I Readlink
        !            35: will fail and the file mode will be unchanged if:
        !            36: .TP 15
        !            37: [ENOTDIR]
        !            38: A component of the path prefix is not a directory.
        !            39: .TP 15
        !            40: [EINVAL]
        !            41: The pathname contains a character with the high-order bit set.
        !            42: .TP 15
        !            43: [ENAMETOOLONG]
        !            44: A component of a pathname exceeded 255 characters,
        !            45: or an entire path name exceeded 1023 characters.
        !            46: .TP 15
        !            47: [ENOENT]
        !            48: The named file does not exist.
        !            49: .TP 15
        !            50: [EACCES]
        !            51: Search permission is denied for a component of the path prefix.
        !            52: .TP 15
        !            53: [ELOOP]
        !            54: Too many symbolic links were encountered in translating the pathname.
        !            55: .TP 15
        !            56: [EINVAL]
        !            57: The named file is not a symbolic link.
        !            58: .TP 15
        !            59: [EIO]
        !            60: An I/O error occurred while reading from the file system.
        !            61: .TP 15
        !            62: [EFAULT]
        !            63: .I Buf
        !            64: extends outside the process's allocated address space.
        !            65: .SH SEE ALSO
        !            66: stat(2), lstat(2), symlink(2)

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