readlink man page on BSDOS

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READLINK(2)		    BSD Programmer's Manual		   READLINK(2)

NAME
     readlink - read value of a symbolic link

SYNOPSIS
     #include <unistd.h>

     int
     readlink(const char *path, char *buf, int bufsiz);

DESCRIPTION
     Readlink() places the contents of the symbolic link path in the buffer
     buf, which has size bufsiz. Readlink does not append a NUL character to
     buf.

RETURN VALUES
     The call returns the count of characters placed in the buffer if it suc-
     ceeds, or a -1 if an error occurs, placing the error code in the global
     variable errno.

ERRORS
     Readlink() will fail if:

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

     [EINVAL]	   The pathname contains a character with the high-order bit
		   set.

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

     [ENOENT]	   The named file does not exist.

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

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

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

     [EIO]	   An I/O error occurred while reading from the file system.

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

SEE ALSO
     stat(2),  lstat(2),  symlink(2) symlink(7),

HISTORY
     The readlink function call appeared in 4.2BSD.

4.2 Berkeley Distribution	 June 4, 1993				     1
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