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pcap_create - create a live capture handle
pcap_t *pcap_create(const char *source, char *errbuf);
pcap_create() is used to create a packet capture handle to look at packets on the network.
source is a string that specifies the network device to open; on Linux systems with 2.2 or
later kernels, a source argument of "any" or NULL can be used to capture packets from all
The returned handle must be activated with pcap_activate() before packets can be captured
with it; options for the capture, such as promiscuous mode, can be set on the handle
before activating it.
pcap_create() returns a pcap_t * on success and NULL on failure. If NULL is returned,
errbuf is filled in with an appropriate error message. errbuf is assumed to be able to
hold at least PCAP_ERRBUF_SIZE chars.
5 April 2008 PCAP_CREATE(3)
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