THRU
return(THRU);
if (ku==2 && kl==2) return(THRU);
return(THRU);
if (kl== '=' && kr == '=') return(THRU);
case THRU: exhl = "1p"; break;
case THRU: exhr = "-1p"; break;
case THRU: exhr = "-1p"; break;
case THRU: exhl = "1p"; break;
case THRU: epb -= 1; break;
case THRU: epb -= 1; break;
case THRU: ept += 1; break;
case THRU: ept += 1; break;
THRU;
} else if (*classp == THRU) {
} else if (current_char == THRU) {
} else if (*classp == THRU) {