CharBuffer fromUSectionUChar;
IntBuffer fromUSectionValues;
fromUSectionUChar = (CharBuffer)ARRAY(cx, EXT_FROM_U_UCHARS_INDEX,char.class );
fromUSectionValues = (IntBuffer)ARRAY(cx, EXT_FROM_U_VALUES_INDEX,int.class );
int fromUSectionUCharIndex = fromUSectionUChar.position()+sectionIndex;
int fromUSectionValuesIndex = fromUSectionValues.position()+sectionIndex;
int value, i, count;
/* read first pair of the section */
count = fromUSectionUChar.get(fromUSectionUCharIndex++);
value = fromUSectionValues.get(fromUSectionValuesIndex++);