SO_DETACH_FILTER
#define SO_DETACH_BPF SO_DETACH_FILTER
#define SO_DETACH_BPF SO_DETACH_FILTER
#define SO_DETACH_BPF SO_DETACH_FILTER
#define SO_DETACH_BPF SO_DETACH_FILTER
int err = setsockopt(fd, SOL_SOCKET, SO_DETACH_FILTER, bpf, sizeof(struct sock_fprog));
#define SO_DETACH_BPF SO_DETACH_FILTER
case SO_DETACH_FILTER:
#define SO_DETACH_BPF SO_DETACH_FILTER