Name

pcap_findalldevs — Prototype: int pcap_findalldevs(pcap_if_t **alldevsp, char *errbuf)

Synopsis

Purpose: pcap_findalldevs finds all usable (active and supported by libpcap) interfaces for use with pcap_open_live. If successful, the function returns 0 and alldevsp points to a linked list of pcap_if_t structures with interface details. If not successful, the function returns -1 and errbuf is populated with a human-readable error message. You can find an example of utilizing the information returned by pcap_findalldevs in the Section 10.2.2 section earlier in this chapter.

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