proceed
LINE *proceed(LINE *line, int count);
cur_line = proceed(top_line, y);
line = proceed(line, count);
if ((line = proceed(match_line, -(screenmax >> 1))) == header) {
if (number <= 0 || (line = proceed(header->next, number - 1)) == tail)
if (proceed(top_line, -screenmax) == header)
if (proceed(bot_line, screenmax) == tail)
reset(proceed(tail->prev, -screenmax), screenmax);
goto proceed;
goto proceed;
goto proceed;
proceed:
signal(SIGUSR2, proceed); /* Slave sends SIGUSR2 to next slave */
goto proceed;
goto proceed;
proceed: