sbuf_finish
error = sbuf_finish(buf);
error = sbuf_finish(buf);
rc = sbuf_finish(sb);
error = sbuf_finish(buf);
error = sbuf_finish(buf);
rc = sbuf_finish(sb);
rc = sbuf_finish(sb);
int sbuf_finish(struct sbuf *);
error = sbuf_finish(&sb);
error = sbuf_finish(&sb);