Linux cli command pcap_createpcap

➡ A Linux man page (short for manual page) is a form of software documentation found on Linux and Unix-like operating systems. This man-page explains the command pcap_createpcap and provides detailed information about the command pcap_createpcap, system calls, library functions, and other aspects of the system, including usage, options, and examples of _. You can access this man page by typing man followed by the pcap_createpcap.

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NAME 🖥️ pcap_createpcap 🖥️

create a live capture handle

SYNOPSIS

#include <pcap/pcap.h>
char errbuf[PCAP_ERRBUF_SIZE];
pcap_t *pcap_create(const char *source, char *errbuf);

DESCRIPTION

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 interfaces.

The returned handle must be activated with pcap_activate(3PCAP) before packets can be captured with it; options for the capture, such as promiscuous mode, can be set on the handle before activating it.

RETURN VALUE

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.

SEE ALSO

pcap(3PCAP)

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