add iarray

array/iarray_free.c

@@ -0,0 +1,9 @@
+#include <stdlib.h>
+#include "iarray.h"
+
+void iarray_free(iarray* ia) {
+  size_t i;
+  for (i=0; i<ia->pagefence; ++i)
+    if (ia->pages[i]) free(ia->pages[i]);
+  free(ia->pages);
+}