Symbol: PF_CS_SRC
lib/libpfctl/libpfctl.c
2115
snl_add_msg_attr_rule_addr(&nw, PF_CS_SRC, &kill->src);
sys/netpfil/pf/pf_nl.c
1081
{ .type = PF_CS_SRC, .off = _OUT(psk_src), .arg = &rule_addr_parser, .cb = nlattr_get_nested },