.\" Copyright (c) 1983 Regents of the University of California.
.\" All rights reserved. The Berkeley software License Agreement
.\" specifies the terms and conditions for redistribution.
.\" @(#)readlink.2 6.1 (Berkeley) %G%
readlink \- read value of a symbolic link
cc = readlink(path, buf, bufsiz)
places the contents of the symbolic link
The contents of the link are not null terminated when returned.
The call returns the count of characters placed in the buffer
if it succeeds, or a \-1 if an error occurs, placing the error
code in the global variable \fIerrno\fP.
will fail and the file mode will be unchanged if:
The \fIpath\fP argument contained a byte with the high-order bit set.
The pathname was too long.
A component of the path prefix is not a directory.
The named file does not exist.
The named file is not a symbolic link.
Search permission is denied on a component of the path prefix.
The effective user ID does not match the owner of the file and
the effective user ID is not the super-user.
The named file is not a symbolic link.
extends outside the process's allocated address space.
Too many symbolic links were encountered in translating the pathname.
stat(2), lstat(2), symlink(2)