LT_TRUE
? LT_FALSE : LT_TRUE;
retval = (retval == LT_TRUE)
? LT_FALSE : LT_TRUE;
retval = (retval == LT_TRUE)
if (retval == LT_TRUE || retval == LT_FALSE ||
return (*valp ? LT_TRUE : LT_FALSE);
return (*valp ? LT_TRUE : LT_FALSE);