From clauflibitFriiDump-0.5.3.1

libfriidump/ecma-267.h

@@ -0,0 +1,47 @@
+/*
+unscrambler 0.4: unscramble not standard IVs scrambled DVDs thru 
+bruteforce, intended for Gamecube/WII Optical Disks.
+
+Copyright (C) 2006  Victor Muñoz (xt5@ingenieria-inversa.cl)
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+*/
+
+typedef unsigned int u32;
+typedef int s32;
+
+typedef unsigned short u16;
+typedef short s16;
+
+typedef unsigned char u8;
+typedef char s8;
+
+/* EDC stuff */
+
+u32 edc_calc(u32 edc, u8 *ptr, u32  len);
+ 
+/* end of EDC stuff */
+
+/* LFSR stuff */
+
+void LFSR_ecma_init(int iv);
+
+void LFSR_init(u16 seed);
+
+int LFSR_tick();
+
+u8 LFSR_byte();
+
+/* end of LFSR stuff */