diff --git a/include/clang-c/CXString.h b/include/clang-c/CXString.h
new file mode 100644
index 0000000..74c3166
--- /dev/null
+++ b/include/clang-c/CXString.h
@@ -0,0 +1,61 @@
+/*===-- clang-c/CXString.h - C Index strings  --------------------*- C -*-===*\
+|*                                                                            *|
+|*                     The LLVM Compiler Infrastructure                       *|
+|*                                                                            *|
+|* This file is distributed under the University of Illinois Open Source      *|
+|* License. See LICENSE.TXT for details.                                      *|
+|*                                                                            *|
+|*===----------------------------------------------------------------------===*|
+|*                                                                            *|
+|* This header provides the interface to C Index strings.                     *|
+|*                                                                            *|
+\*===----------------------------------------------------------------------===*/
+
+#ifndef CLANG_CXSTRING_H
+#define CLANG_CXSTRING_H
+
+#include "clang-c/Platform.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \defgroup CINDEX_STRING String manipulation routines
+ * \ingroup CINDEX
+ *
+ * @{
+ */
+
+/**
+ * \brief A character string.
+ *
+ * The \c CXString type is used to return strings from the interface when
+ * the ownership of that string might different from one call to the next.
+ * Use \c clang_getCString() to retrieve the string data and, once finished
+ * with the string data, call \c clang_disposeString() to free the string.
+ */
+typedef struct {
+  void *data;
+  unsigned private_flags;
+} CXString;
+
+/**
+ * \brief Retrieve the character data associated with the given string.
+ */
+CINDEX_LINKAGE const char *clang_getCString(CXString string);
+
+/**
+ * \brief Free the given string,
+ */
+CINDEX_LINKAGE void clang_disposeString(CXString string);
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+#endif
+
diff --git a/include/clang-c/Index.h b/include/clang-c/Index.h
index 2397ae1..fd04877 100644
--- a/include/clang-c/Index.h
+++ b/include/clang-c/Index.h
@@ -20,31 +20,13 @@
 #include <time.h>
 #include <stdio.h>
 
+#include "clang-c/Platform.h"
+#include "clang-c/CXString.h"
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-/* MSVC DLL import/export. */
-#ifdef _MSC_VER
-  #ifdef _CINDEX_LIB_
-    #define CINDEX_LINKAGE __declspec(dllexport)
-  #else
-    #define CINDEX_LINKAGE __declspec(dllimport)
-  #endif
-#else
-  #define CINDEX_LINKAGE
-#endif
-
-#ifdef __GNUC__
-  #define CINDEX_DEPRECATED __attribute__((deprecated))
-#else
-  #ifdef _MSC_VER
-    #define CINDEX_DEPRECATED __declspec(deprecated)
-  #else
-    #define CINDEX_DEPRECATED
-  #endif
-#endif
-
 /** \defgroup CINDEX libclang: C Interface to Clang
  *
  * The C Interface to Clang provides a relatively small API that exposes
@@ -157,39 +139,6 @@
 } CXVersion;
   
 /**
- * \defgroup CINDEX_STRING String manipulation routines
- *
- * @{
- */
-
-/**
- * \brief A character string.
- *
- * The \c CXString type is used to return strings from the interface when
- * the ownership of that string might different from one call to the next.
- * Use \c clang_getCString() to retrieve the string data and, once finished
- * with the string data, call \c clang_disposeString() to free the string.
- */
-typedef struct {
-  void *data;
-  unsigned private_flags;
-} CXString;
-
-/**
- * \brief Retrieve the character data associated with the given string.
- */
-CINDEX_LINKAGE const char *clang_getCString(CXString string);
-
-/**
- * \brief Free the given string,
- */
-CINDEX_LINKAGE void clang_disposeString(CXString string);
-
-/**
- * @}
- */
-
-/**
  * \brief Provides a shared context for creating translation units.
  *
  * It provides two options:
diff --git a/include/clang-c/Platform.h b/include/clang-c/Platform.h
new file mode 100644
index 0000000..0f866c6
--- /dev/null
+++ b/include/clang-c/Platform.h
@@ -0,0 +1,45 @@
+/*===-- clang-c/Platform.h - C Index platform decls   -------------*- C -*-===*\
+|*                                                                            *|
+|*                     The LLVM Compiler Infrastructure                       *|
+|*                                                                            *|
+|* This file is distributed under the University of Illinois Open Source      *|
+|* License. See LICENSE.TXT for details.                                      *|
+|*                                                                            *|
+|*===----------------------------------------------------------------------===*|
+|*                                                                            *|
+|* This header provides platform specific macros (dllimport, deprecated, ...) *|
+|*                                                                            *|
+\*===----------------------------------------------------------------------===*/
+
+#ifndef CLANG_C_PLATFORM_H
+#define CLANG_C_PLATFORM_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* MSVC DLL import/export. */
+#ifdef _MSC_VER
+  #ifdef _CINDEX_LIB_
+    #define CINDEX_LINKAGE __declspec(dllexport)
+  #else
+    #define CINDEX_LINKAGE __declspec(dllimport)
+  #endif
+#else
+  #define CINDEX_LINKAGE
+#endif
+
+#ifdef __GNUC__
+  #define CINDEX_DEPRECATED __attribute__((deprecated))
+#else
+  #ifdef _MSC_VER
+    #define CINDEX_DEPRECATED __declspec(deprecated)
+  #else
+    #define CINDEX_DEPRECATED
+  #endif
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+#endif