Symbol: BRDGSFD
sbin/brconfig/brconfig.c
756
if (do_cmd(sock, bridge, BRDGSFD, &param, sizeof(param), 1) < 0)
sys/net/if_bridge.c
361
[BRDGSFD] = {bridge_ioctl_sfd, sizeof(struct ifbrparam), BC_F_COPYIN|BC_F_SUSER},