DOKK / manpages / debian 12 / libpcap0.8-dev / pcap_set_buffer_size.3pcap.en
PCAP_SET_BUFFER_SIZE(3PCAP) PCAP_SET_BUFFER_SIZE(3PCAP)

pcap_set_buffer_size - set the buffer size for a not-yet-activated capture handle

#include <pcap/pcap.h>
int pcap_set_buffer_size(pcap_t *p, int buffer_size);

pcap_set_buffer_size() sets the buffer size that will be used on a capture handle when the handle is activated to buffer_size, which is in units of bytes.

pcap_set_buffer_size() returns 0 on success or PCAP_ERROR_ACTIVATED if called on a capture handle that has been activated.

pcap(3PCAP), pcap_create(3PCAP), pcap_activate(3PCAP)

3 January 2014