-void bar_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) {
- // Echo the data back.
- char tmp[len+1];
- memset( tmp, 0, sizeof tmp );
- snprintf( tmp, len+1, "%s", (char*)data );
- //fprintf(stderr, "Bar received:\n%s\n", tmp);
- //fprintf(stderr, "==============================\n");
- fprintf(stdout, "%s", tmp );
- //meshlink_channel_send(mesh, channel, data, len);