public void pointerArrayFree(int offset, int length) {
        for (int i = 0; i < length; i++) {
            nmemFree(pointerValue(offset + (i << POINTER_SHIFT)));
        }
    }
Frees {@code length} memory blocks stored in the APIBuffer, starting at
the specified {@code offset}.
jme3-lwjgl3/src/main/java/com/jme3/lwjgl3/utils/APIBuffer.java