diff --git a/desmume/src/Makefile.am b/desmume/src/Makefile.am
index 5ac336049..8445ed7f6 100644
--- a/desmume/src/Makefile.am
+++ b/desmume/src/Makefile.am
@@ -8,4 +8,5 @@ libdesmume_a_SOURCES = \
 	FIFO.c FIFO.h \
         GPU.cpp GPU.hpp debug.c debug.h \
 	MMU.cpp MMU.hpp NDSSystem.cpp NDSSystem.hpp \
-	thumb_instructions.cpp thumb_instructions.hpp
+	thumb_instructions.cpp thumb_instructions.hpp \
+	windows/cflash.cpp windows/cflash.h fs.c fs.h
diff --git a/desmume/src/fs.h b/desmume/src/fs.h
new file mode 100644
index 000000000..b1ed75c77
--- /dev/null
+++ b/desmume/src/fs.h
@@ -0,0 +1,29 @@
+#ifndef FS_H
+#define FS_H
+
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define FS_IS_DIR 1
+
+#define FS_ERR_NO_MORE_FILES 1
+
+typedef struct {
+	char cFileName[256];
+	char cAlternateFileName[14];
+	u32 flags;
+} FsEntry;
+
+void * FsReadFirst(const char * path, FsEntry * entry);
+int FsReadNext(void * search, FsEntry * entry);
+void FsClose(void * search);
+int FsError(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif