prepare_commit
int prepare_commit(u_int32_t);
if (prepare_commit(1) == -1) {
prepare_commit(1);
int prepare_commit(u_int32_t);
.prepare_commit = prepare_commit,
int (*prepare_commit)(u_int32_t);
if (fops->prepare_commit(s->id) == -1)
if (fops->prepare_commit(s->id) == -1)
if (fops->prepare_commit(s->id) == -1)
.prepare_commit = ipf_prepare_commit,
.prepare_commit = npf_prepare_commit,