var nwritten size
	errno := path_readlink(
		dirFd,
		pathPtr,
		pathLen,
		unsafe.Pointer(&buf[0]),
		size(len(buf)),
		unsafe.Pointer(&nwritten),
	)
	// For some reason wasmtime returns ERANGE when the output buffer is
	// shorter than the symbolic link value. os.Readlink expects a nil
	// error and uses the fact that n is greater or equal to the buffer
	// length to assume that it needs to try again with a larger size.