public static NativeHeap sample() {
        if (Platform.isLinux()) {
            GLibcVersion version = new GLibcVersion();
            if ((version.major() >= 3) || ((version.major() == 2) && (version.minor() >= 33))) {
                return new MallInfo2();
            }
            return new MallInfo();
        }
        return new NativeHeap();
    }
Represents the native C heap if accessible

@author baldersheim
vespajlib/src/main/java/com/yahoo/nativec/NativeHeap.java