do_output
int lowa, upb, lowc, upd, do_output;
do_output = 0;
do_output++;
if (do_output) {
do_output = 0;
do_output++;
if (do_output) {
static void do_output(const unsigned char *, size_t, struct daemon_state *);
do_output(state->buf, bytes_line, state);
do_output(state->buf, state->pos, state);
do_output(state->buf, state->pos, state);