Is_Code in H3.CC.

Use Wide_Character'First instead of Wide_Character'Val(0) 
Removed the terminator parameter in the H3.Strings

lib2/Makefile

@@ -1,3 +1,14 @@
-all:
-	gnat make -gnata -gnatW8 hello && valgrind ./hello
-	gnat make -gnata -gnatW8 hello2 && valgrind ./hello2
+OPTS := -gnata -gnatW8 -gnatwa -gnatya -gnatyb -gnatyk -gnatyn -gnatyp ##-gnatyt
+all: hello hello2 hello3
+
+hello: hello.adb
+	gnat make $(OPTS) hello && valgrind ./hello
+
+hello2: hello2.adb
+	gnat make $(OPTS) hello2 && valgrind ./hello2
+
+hello3: hello3.adb
+	gnat make $(OPTS) hello3 && valgrind ./hello3
+
+clean:
+	rm -rf *.o *.ali hello hello2 hello3