<p>In <a href="https://github.com/RIOT-OS/RIOT/pull/3259#discussion_r33244549">sys/net/crosslayer/ng_pktbuf_dynamic/ng_pktbuf_dynamic.c</a>:</p>
<pre style='color:#555'>> +{
> +    /* TODO */
> +}
> +#endif
> +
> +
> +/* for testing */
> +#ifdef TEST_SUITES
> +bool ng_pktbuf_is_empty(void)
> +{
> +    return used_sum == 0;
> +}
> +
> +void ng_pktbuf_reset(void) {
> +    count = 0;
> +    used_sum = 0;
</pre>
<p>This doesn't really reset the packet buffer ;-)</p>

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