Manpages - 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)