io_write_buf
if (!io_write_buf(sess, fd, buf, sz)) {
int io_write_buf(struct sess *, int, const void *, size_t);
} else if (!io_write_buf(sess, fdout, fn, sz)) {
if (!io_write_buf(sess, fdout, fn, sz)) {
} else if (!io_write_buf(sess, fd, ids[i].name, sz)) {
if (!io_write_buf(sess, fd, line, strlen(line)))
else if (!io_write_buf(sess, fd, &nv, sizeof(int64_t)))
if (!io_write_buf(sess, fd, &nv, sizeof(uint32_t))) {
if (!io_write_buf(sess, fd, &val, sizeof(uint8_t))) {
if (!io_write_buf(sess, fd, cmd, cmdlen))
if (!io_write_buf(sess, fd, r->pattern, len))
if (!io_write_buf(sess, fd, postfix, postlen))
c = io_write_buf(sess, u->fdout,