+#include <limits.h>
+#include <string.h>
+#include <assert.h>
+#include <wchar.h>
+
+/* Some strings used for <string.h> and <stdlib.h> testing. */
+static char const abcde[] = "abcde";
+static char const abcdx[] = "abcdx";
+static char const teststring[] = "1234567890\nABCDEFGHIJKLMNOPQRSTUVWXYZ\nabcdefghijklmnopqrstuvwxyz\n";
+
+static wchar_t const wabcde[] = L"abcde";
+static wchar_t const wabcdx[] = L"abcdx";
+static wchar_t const wteststring[] = L"1234567890\nABCDEFGHIJKLMNOPQRSTUVWXYZ\nabcdefghijklmnopqrstuvwxyz\n";