int script_1401(int arg0,int arg1,int arg2,string arg3) {
	int ivar3;
	int ivar4;
	int ivar5;
	int ivar6;
	int ivar7;
	int ivar8;
	int stack_dump0;
	arg3 = script_1602(arg3);
	ivar3 = strLength(arg3);
	arg0 = subtract(arg0, arg2);
	if (arg0 <= 0) {
		return 0;
	}
	if (arg0 >= getTextWidth(arg1, arg3)) {
		return ivar3;
	}
	ivar4 = 0;
	ivar5 = strLength(arg3);
	ivar6 = -1;
	ivar7 = 0;
	ivar8 = 0;
	while (ivar4 != ivar5) {
		ivar6 = add(divide(subtract(ivar5, ivar4), 2), ivar4);
		if (ivar6 == ivar4) {
			ivar7 = getTextWidth(arg1, substr(0, ivar5, arg3));
			if (ivar5 > 1) {
				ivar8 = getTextWidth(arg1, substr(0, subtract(ivar5, 1), arg3));
			}
			if (subtract(ivar7, arg0) < subtract(arg0, ivar8)) {
				return ivar5;
			}
			return subtract(ivar5, 1);
		}
		if (arg0 <= getTextWidth(arg1, substr(0, ivar6, arg3))) {
			stack_dump0 = ivar4;
			ivar5 = ivar6;
			ivar4 = stack_dump0;
		} else {
			stack_dump0 = ivar6;
			ivar5 = ivar5;
			ivar4 = stack_dump0;
		}
	}
	ivar7 = getTextWidth(arg1, substr(0, ivar5, arg3));
	if (ivar5 > 1) {
		ivar8 = getTextWidth(arg1, substr(0, subtract(ivar5, 1), arg3));
	}
	if (subtract(ivar7, arg0) < subtract(arg0, ivar8)) {
		return ivar5;
	}
	return subtract(ivar5, 1);
}