diff --git a/README.md b/README.md
index 20a57e2..606fd47 100644
--- a/README.md
+++ b/README.md
@@ -30,6 +30,12 @@ Read the logs via the [udp_debug_reader](https://github.com/dimok789/loadiine_gx
 
 ## Usage (TODO)
 
+Link the application with
+
+```
+-lutils -ldynamiclibs
+```
+
 Check out the header for more information.
 
 ## Compiling
diff --git a/source/fs/disc_io.h b/source/fs/disc_io.h
new file mode 100644
index 0000000..f44618b
--- /dev/null
+++ b/source/fs/disc_io.h
@@ -0,0 +1,68 @@
+/*
+ disc_io.h
+ Interface template for low level disc functions.
+
+ Copyright (c) 2006 Michael "Chishm" Chisholm
+ Based on code originally written by MightyMax
+	
+ Redistribution and use in source and binary forms, with or without modification,
+ are permitted provided that the following conditions are met:
+
+  1. Redistributions of source code must retain the above copyright notice,
+     this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright notice,
+     this list of conditions and the following disclaimer in the documentation and/or
+     other materials provided with the distribution.
+  3. The name of the author may not be used to endorse or promote products derived
+     from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
+ LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef OGC_DISC_IO_INCLUDE
+#define OGC_DISC_IO_INCLUDE
+
+#include <stdint.h>
+#include <dynamic_libs/os_types.h>
+
+
+#define FEATURE_MEDIUM_CANREAD      0x00000001
+#define FEATURE_MEDIUM_CANWRITE     0x00000002
+#define FEATURE_GAMECUBE_SLOTA      0x00000010
+#define FEATURE_GAMECUBE_SLOTB      0x00000020
+#define FEATURE_GAMECUBE_DVD        0x00000040
+#define FEATURE_WII_SD              0x00000100
+#define FEATURE_WII_USB             0x00000200
+#define FEATURE_WII_DVD             0x00000400
+
+typedef uint32_t sec_t;
+
+typedef bool (* FN_MEDIUM_STARTUP)(void) ;
+typedef bool (* FN_MEDIUM_ISINSERTED)(void) ;
+typedef bool (* FN_MEDIUM_READSECTORS)(sec_t sector, sec_t numSectors, void* buffer) ;
+typedef bool (* FN_MEDIUM_WRITESECTORS)(sec_t sector, sec_t numSectors, const void* buffer) ;
+typedef bool (* FN_MEDIUM_CLEARSTATUS)(void) ;
+typedef bool (* FN_MEDIUM_SHUTDOWN)(void) ;
+
+struct DISC_INTERFACE_STRUCT {
+	unsigned long			ioType ;
+	unsigned long			features ;
+	FN_MEDIUM_STARTUP		startup ;
+	FN_MEDIUM_ISINSERTED	isInserted ;
+	FN_MEDIUM_READSECTORS	readSectors ;
+	FN_MEDIUM_WRITESECTORS	writeSectors ;
+	FN_MEDIUM_CLEARSTATUS	clearStatus ;
+	FN_MEDIUM_SHUTDOWN		shutdown ;
+} ;
+
+typedef struct DISC_INTERFACE_STRUCT DISC_INTERFACE ;
+
+#endif	// define OGC_DISC_IO_INCLUDE
diff --git a/source/fs/sd_fat_devoptab.cpp b/source/fs/sd_fat_devoptab.cpp
index c3b1d93..ca8a445 100644
--- a/source/fs/sd_fat_devoptab.cpp
+++ b/source/fs/sd_fat_devoptab.cpp
@@ -22,7 +22,6 @@
  * distribution.
  ***************************************************************************/
 #include <errno.h>
-#include <ogc/disc_io.h>
 #include <sys/statvfs.h>
 #include <sys/dirent.h>
 #include <string.h>
@@ -31,6 +30,8 @@
 #include <stdio.h>
 #include <dynamic_libs/fs_functions.h>
 #include <dynamic_libs/os_functions.h>
+
+#include "disc_io.h"
 #include "FSOSUtils.h"
 #include "sd_fat_devoptab.h"
 #include "utils/StringTools.h"