770   iov = (struct iovec*) &(req->bufs[req->write_index]);
(gdb) n
771   iovcnt = req->nbufs - req->write_index;
(gdb)
773   iovmax = uv__getiovmax();
(gdb)
776   if (iovcnt > iovmax)
(gdb)
784   if (req->send_handle) {
(gdb)
829       if (iovcnt == 1) {
(gdb)
830         n = write(uv__stream_fd(stream), iov[0].iov_base, iov[0].iov_len);
(gdb) eval uv__stream_fd(stream)
Bad format string, missing '"'.
(gdb) eval "uv__stream_fd(stream)"
Undefined command: "uv__stream_fd".  Try "help".
(gdb) p uv__stream_fd(stream)
No symbol "uv__stream_fd" in current context.
(gdb) p iov[0]
$5 = {iov_base = 0x57b88a, iov_len = 7}
(gdb) p iov[0].iov_base
$6 = (void *) 0x57b88a
(gdb) p (char*)iov[0].iov_base
$7 = 0x57b88a "sonodi>"
(gdb) p *stream
$8 = {data = 0x0, loop = 0x7c3800 <default_loop_struct>, type = UV_TCP, close_cb = 0x0, handle_queue = {0x7c46e0,
    0x7c38d0 <default_loop_struct+208>}, u = {fd = 0, reserved = {0x0, 0x0, 0x0, 0x0}}, next_closing = 0x0, flags = 286816,
  write_queue_size = 7, alloc_cb = 0x0, read_cb = 0x0, connect_req = 0x0, shutdown_req = 0x0, io_watcher = {cb = 0x56a839 <uv__server_io>,
    pending_queue = {0x7c4650, 0x7c4650}, watcher_queue = {0x7c4660, 0x7c4660}, pevents = 1, events = 1, fd = 10}, write_queue = {0x7c4818,
    0x7c4818}, write_completed_queue = {0x7c4690, 0x7c4690}, connection_cb = 0x4052e0 <connection_cb>, delayed_error = 0, accepted_fd = -1,
  queued_fds = 0x0}
(gdb) n

Program received signal SIGPIPE, Broken pipe.
0x00007ffff74b5a60 in __write_nocancel () at ../sysdeps/unix/syscall-template.S:81
81  ../sysdeps/unix/syscall-template.S: No such file or directory.