diff --git a/src/configure.c b/src/configure.c
index 7902dcf..9b09b08 100644
--- a/src/configure.c
+++ b/src/configure.c
@@ -46,7 +46,39 @@
 #endif
 
 
-/* configure */
+/* Configure */
+/* private */
+/* types */
+struct _Configure {
+	ConfigurePrefs * prefs;
+	Config * config;
+	HostArch arch;
+	HostOS os;
+	HostKernel kernel;
+	struct
+	{
+		char const * exeext;
+		char const * soext;
+	} extensions;
+	struct
+	{
+		char const * ar;
+		char const * as;
+		char const * cc;
+		char const * ccshared;
+		char const * cxx;
+		char const * install;
+		char const * libtool;
+		char const * ln;
+		char const * mkdir;
+		char const * ranlib;
+		char const * rm;
+		char const * tar;
+	} programs;
+};
+
+
+/* public */
 /* constants */
 const String * sHostArch[HA_COUNT] =
 {
diff --git a/src/configure.h b/src/configure.h
index 35a2439..e08ba9a 100644
--- a/src/configure.h
+++ b/src/configure.h
@@ -141,34 +141,7 @@ typedef struct _ConfigurePrefs
 # define PREFS_n	0x1
 # define PREFS_S	0x2
 # define PREFS_v	0x4
-typedef struct _Configure
-{
-	ConfigurePrefs * prefs;
-	Config * config;
-	HostArch arch;
-	HostOS os;
-	HostKernel kernel;
-	struct
-	{
-		char const * exeext;
-		char const * soext;
-	} extensions;
-	struct
-	{
-		char const * ar;
-		char const * as;
-		char const * cc;
-		char const * ccshared;
-		char const * cxx;
-		char const * install;
-		char const * libtool;
-		char const * ln;
-		char const * mkdir;
-		char const * ranlib;
-		char const * rm;
-		char const * tar;
-	} programs;
-} Configure;
+typedef struct _Configure Configure;
 
 
 /* functions */