PCAP_FREECODE(3) Library Functions Manual PCAP_FREECODE(3)

pcap_freecode - free a BPF program

#include <pcap/pcap.h>

void pcap_freecode(struct bpf_program *);

pcap_freecode() is used to free up allocated memory pointed to by a bpf_program struct generated by pcap_compile() when that BPF program is no longer needed, for example after it has been made the filter program for a pcap structure by a call to pcap_setfilter().

pcap(3), pcap_compile(3), pcap_setfilter(3)
3 January 2014