diff --git a/include/fennec/filesystem/detail/_stdio.h b/include/fennec/filesystem/detail/_stdio.h
index f34b5d5..00ac391 100644
--- a/include/fennec/filesystem/detail/_stdio.h
+++ b/include/fennec/filesystem/detail/_stdio.h
@@ -16,9 +16,9 @@
 //  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 // =====================================================================================================================
 
-#ifndef FENNEC_LANGPROC_STRINGS_DETAIL_CTYPE_H
-#define FENNEC_LANGPROC_STRINGS_DETAIL_CTYPE_H
+#ifndef FENNEC_FILESYSTEM_DETAIL_CTYPE_H
+#define FENNEC_FILESYSTEM_DETAIL_CTYPE_H
 
 #include <stdio.h>
 
-#endif // FENNEC_LANGPROC_STRINGS_DETAIL_CTYPE_H
+#endif // FENNEC_FILESYSTEM_DETAIL_CTYPE_H
diff --git a/include/fennec/filesystem/file.h b/include/fennec/filesystem/file.h
index 4b975f3..3079ac9 100644
--- a/include/fennec/filesystem/file.h
+++ b/include/fennec/filesystem/file.h
@@ -16,8 +16,8 @@
 //  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 // =====================================================================================================================
 
-#ifndef FENNEC_LANGPROC_IO_FILE_H
-#define FENNEC_LANGPROC_IO_FILE_H
+#ifndef FENNEC_FILESYSTEM_FILE_H
+#define FENNEC_FILESYSTEM_FILE_H
 
 #include <fennec/filesystem/path.h>
 
@@ -319,4 +319,4 @@ private:
 
 }
 
-#endif // FENNEC_LANGPROC_IO_FILE_H
+#endif // FENNEC_FILESYSTEM_FILE_H
diff --git a/include/fennec/filesystem/path.h b/include/fennec/filesystem/path.h
index 797bba1..fbf7f95 100644
--- a/include/fennec/filesystem/path.h
+++ b/include/fennec/filesystem/path.h
@@ -16,8 +16,8 @@
 //  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 // =====================================================================================================================
 
-#ifndef FENNEC_LANGPROC_IO_PATH_H
-#define FENNEC_LANGPROC_IO_PATH_H
+#ifndef FENNEC_FILESYSTEM_PATH_H
+#define FENNEC_FILESYSTEM_PATH_H
 
 #include <fennec/filesystem/path.h>
 #include <fennec/string/string.h>
@@ -331,4 +331,4 @@ private:
 
 }
 
-#endif // FENNEC_LANGPROC_IO_PATH_H
+#endif // FENNEC_FILESYSTEM_PATH_H
diff --git a/include/fennec/format/detail/_format.h b/include/fennec/format/detail/_format.h
index d5ae122..6bbfbfc 100644
--- a/include/fennec/format/detail/_format.h
+++ b/include/fennec/format/detail/_format.h
@@ -28,8 +28,8 @@
 ///
 ///
 
-#ifndef FENNEC_LANG_STRINGS_DETAIL_FORMAT_H
-#define FENNEC_LANG_STRINGS_DETAIL_FORMAT_H
+#ifndef FENNEC_FORMAT_DETAIL_FORMAT_H
+#define FENNEC_FORMAT_DETAIL_FORMAT_H
 
 #include <fennec/memory/pointers.h>
 #include <fennec/format/formatter.h>
@@ -147,4 +147,4 @@ constexpr bool _isfmt_f(char c) {
 
 }
 
-#endif // FENNEC_LANG_STRINGS_DETAIL_FORMAT_H
+#endif // FENNEC_FORMAT_DETAIL_FORMAT_H
diff --git a/include/fennec/format/format.h b/include/fennec/format/format.h
index f4221d8..5c1ba49 100644
--- a/include/fennec/format/format.h
+++ b/include/fennec/format/format.h
@@ -28,8 +28,8 @@
 ///
 ///
 
-#ifndef FENNEC_LANG_STRINGS_FORMAT_H
-#define FENNEC_LANG_STRINGS_FORMAT_H
+#ifndef FENNEC_FORMAT_FORMAT_H
+#define FENNEC_FORMAT_FORMAT_H
 
 #include <fennec/string/string.h>
 
@@ -271,4 +271,4 @@ string format(const cstring& str, ArgsT&&...args) {
 
 }
 
-#endif // FENNEC_LANG_STRINGS_FORMAT_H
\ No newline at end of file
+#endif // FENNEC_FORMAT_FORMAT_H
\ No newline at end of file
diff --git a/include/fennec/format/format_arg.h b/include/fennec/format/format_arg.h
index c16e4c9..ed864d6 100644
--- a/include/fennec/format/format_arg.h
+++ b/include/fennec/format/format_arg.h
@@ -28,8 +28,8 @@
 ///
 ///
 
-#ifndef FENNEC_LANG_FORMAT_FORMAT_ARG_H
-#define FENNEC_LANG_FORMAT_FORMAT_ARG_H
+#ifndef FENNEC_FORMAT_FORMAT_ARG_H
+#define FENNEC_FORMAT_FORMAT_ARG_H
 
 #include <fennec/lang/types.h>
 
@@ -46,4 +46,4 @@ struct format_arg {
 
 }
 
-#endif // FENNEC_LANG_FORMAT_FORMAT_ARG_H
\ No newline at end of file
+#endif // FENNEC_FORMAT_FORMAT_ARG_H
\ No newline at end of file
diff --git a/include/fennec/format/formatter.h b/include/fennec/format/formatter.h
index ebcf47b..5226cc2 100644
--- a/include/fennec/format/formatter.h
+++ b/include/fennec/format/formatter.h
@@ -28,8 +28,8 @@
 ///
 ///
 
-#ifndef FENNEC_LANG_FORMAT_FORMATTER_H
-#define FENNEC_LANG_FORMAT_FORMATTER_H
+#ifndef FENNEC_FORMAT_FORMATTER_H
+#define FENNEC_FORMAT_FORMATTER_H
 
 #include <fennec/string/string.h>
 #include <fennec/format/format_arg.h>
@@ -208,4 +208,4 @@ struct formatter<BoolT> {
 
 }
 
-#endif // FENNEC_LANG_FORMAT_FORMATTER_H
\ No newline at end of file
+#endif // FENNEC_FORMAT_FORMATTER_H
\ No newline at end of file
diff --git a/include/fennec/interpret/tokenizer.h b/include/fennec/interpret/tokenizer.h
index f174afb..a5b50a1 100644
--- a/include/fennec/interpret/tokenizer.h
+++ b/include/fennec/interpret/tokenizer.h
@@ -28,8 +28,8 @@
 ///
 ///
 
-#ifndef FENNEC_LANGPROC_FORMAT_TOKENIZER_H
-#define FENNEC_LANGPROC_FORMAT_TOKENIZER_H
+#ifndef FENNEC_INTERPRET_TOKENIZER_H
+#define FENNEC_INTERPRET_TOKENIZER_H
 
 #include <fennec/containers/list.h>
 #include <fennec/containers/map.h>
@@ -109,4 +109,4 @@ private:
 
 }
 
-#endif // FENNEC_LANGPROC_FORMAT_TOKENIZER_H
+#endif // FENNEC_INTERPRET_TOKENIZER_H
diff --git a/include/fennec/lang/detail/_declval.h b/include/fennec/lang/detail/_declval.h
index 0401aee..4f3f6b6 100644
--- a/include/fennec/lang/detail/_declval.h
+++ b/include/fennec/lang/detail/_declval.h
@@ -28,8 +28,8 @@
 ///
 ///
 
-#ifndef FENNEC_LANGCPP_DETAIL_DECLVAL_H
-#define FENNEC_LANGCPP_DETAIL_DECLVAL_H
+#ifndef FENNEC_LANG_DETAIL_DECLVAL_H
+#define FENNEC_LANG_DETAIL_DECLVAL_H
 
 #include <fennec/lang/constants.h>
 
@@ -43,4 +43,4 @@ template<typename T> struct _declval_protector : bool_constant<false> {};
 
 }
 
-#endif // FENNEC_LANGCPP_DETAIL_DECLVAL_H
\ No newline at end of file
+#endif // FENNEC_LANG_DETAIL_DECLVAL_H
\ No newline at end of file
diff --git a/include/fennec/memory/bytes.h b/include/fennec/memory/bytes.h
index eaaf262..287d6a4 100644
--- a/include/fennec/memory/bytes.h
+++ b/include/fennec/memory/bytes.h
@@ -16,8 +16,8 @@
 //  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 // =====================================================================================================================
 
-#ifndef FENNEC_LANG_BYTES_H
-#define FENNEC_LANG_BYTES_H
+#ifndef FENNEC_MEMORY_BYTES_H
+#define FENNEC_MEMORY_BYTES_H
 
 #include <fennec/lang/assert.h>
 #include <fennec/lang/types.h>
@@ -186,4 +186,4 @@ struct hash<byte_array> {
 
 }
 
-#endif // FENNEC_LANG_BYTES_H
+#endif // FENNEC_MEMORY_BYTES_H
diff --git a/include/fennec/renderers/interface/gfxpass.h b/include/fennec/renderers/interface/gfxpass.h
index 29f7eca..8aa5aac 100644
--- a/include/fennec/renderers/interface/gfxpass.h
+++ b/include/fennec/renderers/interface/gfxpass.h
@@ -28,8 +28,8 @@
 ///
 ///
 
-#ifndef FENNEC_PLATFORM_INTERFACE_GFXCONTEXT_H
-#define FENNEC_PLATFORM_INTERFACE_GFXCONTEXT_H
+#ifndef FENNEC_RENDERERS_INTERFACE_GFXCONTEXT_H
+#define FENNEC_RENDERERS_INTERFACE_GFXCONTEXT_H
 
 #include <fennec/lang/types.h>
 #include <fennec/string/string.h>
@@ -57,4 +57,4 @@ class gfxsubpass {
 
 }
 
-#endif // FENNEC_PLATFORM_INTERFACE_GFXCONTEXT_H
\ No newline at end of file
+#endif // FENNEC_RENDERERS_INTERFACE_GFXCONTEXT_H
\ No newline at end of file
diff --git a/include/fennec/rtti/detail/_typeid.h b/include/fennec/rtti/detail/_typeid.h
index ef1f632..13c2a05 100644
--- a/include/fennec/rtti/detail/_typeid.h
+++ b/include/fennec/rtti/detail/_typeid.h
@@ -16,8 +16,8 @@
 //  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 // =====================================================================================================================
 
-#ifndef FENNEC_LANG_DETAIL_TYPEUUID_H
-#define FENNEC_LANG_DETAIL_TYPEUUID_H
+#ifndef FENNEC_RTTI_DETAIL_TYPEUUID_H
+#define FENNEC_RTTI_DETAIL_TYPEUUID_H
 
 #include <fennec/lang/types.h>
 
@@ -32,4 +32,4 @@ FENNEC_NO_INLINE uint64_t _typeuuid() {
 
 }
 
-#endif // FENNEC_LANG_DETAIL_TYPEUUID_H
+#endif // FENNEC_RTTI_DETAIL_TYPEUUID_H
diff --git a/include/fennec/rtti/typeid.h b/include/fennec/rtti/typeid.h
index 7e2d4f8..505b365 100644
--- a/include/fennec/rtti/typeid.h
+++ b/include/fennec/rtti/typeid.h
@@ -16,8 +16,8 @@
 //  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 // =====================================================================================================================
 
-#ifndef FENNEC_LANG_TYPEUUID_H
-#define FENNEC_LANG_TYPEUUID_H
+#ifndef FENNEC_RTTI_TYPEUUID_H
+#define FENNEC_RTTI_TYPEUUID_H
 
 #include <fennec/lang/types.h>
 #include <fennec/rtti/detail/_typeid.h>
@@ -39,4 +39,4 @@ FENNEC_NO_INLINE uint64_t typeuuid() {
 
 }
 
-#endif // FENNEC_LANG_TYPEUUID_H
+#endif // FENNEC_RTTI_TYPEUUID_H
diff --git a/include/fennec/scene/scene.h b/include/fennec/scene/scene.h
index 8473b43..8a88cfe 100644
--- a/include/fennec/scene/scene.h
+++ b/include/fennec/scene/scene.h
@@ -16,8 +16,8 @@
 //  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 // =====================================================================================================================
 
-#ifndef FENNEC_CORE_SCENE_H
-#define FENNEC_CORE_SCENE_H
+#ifndef FENNEC_SCENE_SCENE_H
+#define FENNEC_SCENE_SCENE_H
 
 #include <fennec/containers/rdtree.h>
 #include <fennec/string/string.h>
@@ -56,4 +56,4 @@ public:
 
 }
 
-#endif // FENNEC_CORE_SCENE_H
+#endif // FENNEC_SCENE_SCENE_H
diff --git a/include/fennec/string/cstring.h b/include/fennec/string/cstring.h
index f511914..d6c2c96 100644
--- a/include/fennec/string/cstring.h
+++ b/include/fennec/string/cstring.h
@@ -16,8 +16,8 @@
 //  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 // =====================================================================================================================
 
-#ifndef FENNEC_LANGPROC_STRINGS_CSTRING_H
-#define FENNEC_LANGPROC_STRINGS_CSTRING_H
+#ifndef FENNEC_STRING_CSTRING_H
+#define FENNEC_STRING_CSTRING_H
 
 #include <fennec/string/detail/_ctype.h>
 #include <fennec/memory/detail/_string.h>
@@ -367,4 +367,4 @@ struct hash<cstring> : hash<byte_array> {
 
 }
 
-#endif // FENNEC_LANGPROC_STRINGS_CSTRING_H
+#endif // FENNEC_STRING_CSTRING_H
diff --git a/include/fennec/string/detail/_ctype.h b/include/fennec/string/detail/_ctype.h
index 32df664..5962ed9 100644
--- a/include/fennec/string/detail/_ctype.h
+++ b/include/fennec/string/detail/_ctype.h
@@ -16,10 +16,10 @@
 //  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 // =====================================================================================================================
 
-#ifndef FENNEC_LANGPROC_STRINGS_DETAIL_CTYPE_H
-#define FENNEC_LANGPROC_STRINGS_DETAIL_CTYPE_H
+#ifndef FENNEC_STRING_DETAIL_CTYPE_H
+#define FENNEC_STRING_DETAIL_CTYPE_H
 
 #include <ctype.h>
 #include <wctype.h>
 
-#endif // FENNEC_LANGPROC_STRINGS_DETAIL_CTYPE_H
+#endif // FENNEC_STRING_DETAIL_CTYPE_H
diff --git a/include/fennec/string/detail/_locale.h b/include/fennec/string/detail/_locale.h
index 2e53936..602a09f 100644
--- a/include/fennec/string/detail/_locale.h
+++ b/include/fennec/string/detail/_locale.h
@@ -16,9 +16,9 @@
 //  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 // =====================================================================================================================
 
-#ifndef FENNEC_LANGPROC_STRINGS_DETAIL_CTYPE_H
-#define FENNEC_LANGPROC_STRINGS_DETAIL_CTYPE_H
+#ifndef FENNEC_STRING_DETAIL_CTYPE_H
+#define FENNEC_STRING_DETAIL_CTYPE_H
 
 #include <locale.h>
 
-#endif // FENNEC_LANGPROC_STRINGS_DETAIL_CTYPE_H
+#endif // FENNEC_STRING_DETAIL_CTYPE_H
diff --git a/include/fennec/string/locale.h b/include/fennec/string/locale.h
index ab1500d..9e9c3a5 100644
--- a/include/fennec/string/locale.h
+++ b/include/fennec/string/locale.h
@@ -16,8 +16,8 @@
 //  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 // =====================================================================================================================
 
-#ifndef FENNEC_LANGPROC_STRINGS_LOCALE_H
-#define FENNEC_LANGPROC_STRINGS_LOCALE_H
+#ifndef FENNEC_STRING_LOCALE_H
+#define FENNEC_STRING_LOCALE_H
 
 #include <fennec/string/detail/_locale.h>
 
@@ -41,4 +41,4 @@ using ::localeconv;
 
 }
 
-#endif // FENNEC_LANGPROC_STRINGS_LOCALE_H
+#endif // FENNEC_STRING_LOCALE_H
diff --git a/include/fennec/string/string.h b/include/fennec/string/string.h
index 54a79e0..c877348 100644
--- a/include/fennec/string/string.h
+++ b/include/fennec/string/string.h
@@ -16,8 +16,8 @@
 //  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 // =====================================================================================================================
 
-#ifndef FENNEC_LANGPROC_STRINGS_STRING_H
-#define FENNEC_LANGPROC_STRINGS_STRING_H
+#ifndef FENNEC_STRING_STRING_H
+#define FENNEC_STRING_STRING_H
 
 #include <fennec/string/cstring.h>
 
@@ -474,4 +474,4 @@ struct hash<string> : hash<byte_array> {
 }
 
 
-#endif // FENNEC_LANGPROC_STRINGS_STRING_H
+#endif // FENNEC_STRING_STRING_H
diff --git a/include/fennec/string/wcstring.h b/include/fennec/string/wcstring.h
index a766082..b968c91 100644
--- a/include/fennec/string/wcstring.h
+++ b/include/fennec/string/wcstring.h
@@ -16,8 +16,8 @@
 //  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 // =====================================================================================================================
 
-#ifndef FENNEC_LANGPROC_STRINGS_wcstring_H
-#define FENNEC_LANGPROC_STRINGS_wcstring_H
+#ifndef FENNEC_STRING_wcstring_H
+#define FENNEC_STRING_wcstring_H
 
 #include <fennec/string/detail/_ctype.h>
 #include <fennec/memory/detail/_string.h>
@@ -351,4 +351,4 @@ struct hash<wcstring> : hash<byte_array> {
 
 }
 
-#endif // FENNEC_LANGPROC_STRINGS_wcstring_H
+#endif // FENNEC_STRING_wcstring_H
diff --git a/include/fennec/string/wstring.h b/include/fennec/string/wstring.h
index 4c6e702..f77640b 100644
--- a/include/fennec/string/wstring.h
+++ b/include/fennec/string/wstring.h
@@ -16,8 +16,8 @@
 //  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 // =====================================================================================================================
 
-#ifndef FENNEC_LANGPROC_wstringS_WSTRING_H
-#define FENNEC_LANGPROC_wstringS_WSTRING_H
+#ifndef FENNEC_STRING_WSTRING_H
+#define FENNEC_STRING_WSTRING_H
 
 #include <fennec/string/detail/_ctype.h>
 #include <fennec/string/wcstring.h>
@@ -448,4 +448,4 @@ struct hash<wstring> : hash<byte_array> {
 }
 
 
-#endif // FENNEC_LANGPROC_wstringS_WSTRING_H
+#endif // FENNEC_STRING_WSTRING_H
diff --git a/test/tests/string/test_cstring.h b/test/tests/string/test_cstring.h
index 4673c0a..283a4c8 100644
--- a/test/tests/string/test_cstring.h
+++ b/test/tests/string/test_cstring.h
@@ -16,8 +16,8 @@
 //  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 // =====================================================================================================================
 
-#ifndef FENNEC_TEST_LANGPROC_STRINGS_CSTRING_H
-#define FENNEC_TEST_LANGPROC_STRINGS_CSTRING_H
+#ifndef FENNEC_TEST_STRING_CSTRING_H
+#define FENNEC_TEST_STRING_CSTRING_H
 
 #include "../../test.h"
 
@@ -26,7 +26,7 @@
 namespace fennec::test
 {
 
-	inline void fennec_test_langproc_strings_cstring()
+	inline void fennec_test_STRING_cstring()
 	{
 		static       char test_string[]       = "Hello World!";
 		static const char test_string_const[] = "Hello World!";
@@ -49,4 +49,4 @@ namespace fennec::test
 
 }
 
-#endif // FENNEC_TEST_LANGPROC_STRINGS_CSTRING_H
+#endif // FENNEC_TEST_STRING_CSTRING_H
diff --git a/test/tests/string/test_string.h b/test/tests/string/test_string.h
index 9d43e71..204026f 100644
--- a/test/tests/string/test_string.h
+++ b/test/tests/string/test_string.h
@@ -28,8 +28,8 @@
 ///
 ///
 
-#ifndef FENNEC_TEST_LANGPROC_STRINGS_STRING_H
-#define FENNEC_TEST_LANGPROC_STRINGS_STRING_H
+#ifndef FENNEC_TEST_STRING_STRING_H
+#define FENNEC_TEST_STRING_STRING_H
 
 #include <fennec/string/string.h>
 
@@ -38,7 +38,7 @@
 namespace fennec::test
 {
 
-inline void fennec_test_langproc_strings_string() {
+inline void fennec_test_STRING_string() {
 
 	string test0 = string("test0");
 	string test1 = string("test1");
@@ -54,4 +54,4 @@ inline void fennec_test_langproc_strings_string() {
 
 }
 
-#endif // FENNEC_TEST_LANGPROC_STRINGS_STRING_H
\ No newline at end of file
+#endif // FENNEC_TEST_STRING_STRING_H
\ No newline at end of file
diff --git a/test/tests/test_filesystem.h b/test/tests/test_filesystem.h
index 0731574..761a6fe 100644
--- a/test/tests/test_filesystem.h
+++ b/test/tests/test_filesystem.h
@@ -16,8 +16,8 @@
 //  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 // =====================================================================================================================
 
-#ifndef FENNEC_TEST_LANGPROC_IO_H
-#define FENNEC_TEST_LANGPROC_IO_H
+#ifndef FENNEC_TEST_FILESYSTEM_H
+#define FENNEC_TEST_FILESYSTEM_H
 
 #include "../test.h"
 
@@ -89,4 +89,4 @@ namespace fennec::test
 
 }
 
-#endif // FENNEC_TEST_LANGPROC_IO_H
+#endif // FENNEC_TEST_FILESYSTEM_H
diff --git a/test/tests/test_format.h b/test/tests/test_format.h
index 09a9023..bf30f6c 100644
--- a/test/tests/test_format.h
+++ b/test/tests/test_format.h
@@ -28,8 +28,8 @@
 ///
 ///
 
-#ifndef FENNEC_TEST_LANGPROC_FORMAT_H
-#define FENNEC_TEST_LANGPROC_FORMAT_H
+#ifndef FENNEC_TEST_FORMAT_H
+#define FENNEC_TEST_FORMAT_H
 
 #include "../test.h"
 #include <fennec/format/format.h>
@@ -80,4 +80,4 @@ inline void fennec_test_format() {
 
 }
 
-#endif // FENNEC_TEST_LANGPROC_FORMAT_H
+#endif // FENNEC_TEST_FORMAT_H
diff --git a/test/tests/test_string.h b/test/tests/test_string.h
index 517475c..a130083 100644
--- a/test/tests/test_string.h
+++ b/test/tests/test_string.h
@@ -16,8 +16,8 @@
 //  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 // =====================================================================================================================
 
-#ifndef FENNEC_TEST_LANGPROC_STRINGS_H
-#define FENNEC_TEST_LANGPROC_STRINGS_H
+#ifndef FENNEC_TEST_STRING_H
+#define FENNEC_TEST_STRING_H
 
 #include "../test.h"
 #include "./string/test_cstring.h"
@@ -30,13 +30,13 @@ namespace fennec::test
 	{
 		fennec_test_subheader("cstring");
 		fennec_test_spacer(2);
-		fennec_test_langproc_strings_cstring();
+		fennec_test_STRING_cstring();
 		fennec_test_spacer(3);
 
 
 		fennec_test_subheader("string");
 		fennec_test_spacer(2);
-		fennec_test_langproc_strings_string();
+		fennec_test_STRING_string();
 		fennec_test_spacer(3);
 
 		// TODO
@@ -44,4 +44,4 @@ namespace fennec::test
 
 }
 
-#endif // FENNEC_TEST_LANGPROC_STRINGS_H
+#endif // FENNEC_TEST_STRING_H