readlink man page on Ultrix

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readlink(2)							   readlink(2)

Name
       readlink - read value of a symbolic link

Syntax
       cc = readlink(path, buf, bufsiz)
       int cc;
       char *path, *buf;
       int bufsiz;

Description
       The  system  call  places the contents of the symbolic link path in the
       buffer buf, which has size bufsiz.  The contents of the	link  are  not
       null terminated when returned.

Return Values
       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 errno.

Diagnostics
       The system call fails under the following conditions:

       [ENOTDIR]      A component of the path prefix is not a directory.

       [ENAMETOOLONG] A component of a pathname exceeded 255 characters, or an
		      entire pathname exceeded 1023 characters.

       [ENOENT]	      The named file does not exist.

       [EACCES]	      Search permission is denied on a component of  the  path
		      prefix.

       [EINVAL]	      The named file is not a symbolic link.

       [EFAULT]	      The  buf extends outside the process's allocated address
		      space.

       [ELOOP]	      Too many symbolic links were encountered in  translating
		      the pathname.

       [EIO]	      An  I/O  error occurred while reading from the file sys‐
		      tem.

       [ETIMEDOUT]    A connect	 request  or  remote  file  operation  failed,
		      because  the  connected  party  did not properly respond
		      after a period of time that is dependent on the communi‐
		      cations protocol.

See Also
       lstat(2), symlink(2), stat(2)

								   readlink(2)
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