Does libpcap watch sent packets?

Does pcap_next display pack开发者_开发问答ets that were sent?

For example: If I ping google.com while libpcap is listening for packets, then run pcap_next twice, will both of the returned values be a packet, or will one of them be null?

Edit: Yes it does.

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Yes, it does.

And here is some extra text to satisfy the rules.