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diff --git a/gnuradio-core/src/lib/reed-solomon/rs.h b/gnuradio-core/src/lib/reed-solomon/rs.h
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+/* User include file for the Reed-Solomon codec
+ * Copyright 2002, Phil Karn KA9Q
+ * May be used under the terms of the GNU General Public License (GPL)
+ */
+
+/* General purpose RS codec, 8-bit symbols */
+void encode_rs_char(void *rs,unsigned char *data,unsigned char *parity);
+int decode_rs_char(void *rs,unsigned char *data,int *eras_pos,
+ int no_eras);
+void *init_rs_char(unsigned int symsize,unsigned int gfpoly,
+ unsigned int fcr,unsigned int prim,unsigned int nroots);
+void free_rs_char(void *rs);
+
+/* General purpose RS codec, integer symbols */
+void encode_rs_int(void *rs,int *data,int *parity);
+int decode_rs_int(void *rs,int *data,int *eras_pos,int no_eras);
+void *init_rs_int(unsigned int symsize,unsigned int gfpoly,unsigned int fcr,
+ unsigned int prim,unsigned int nroots);
+void free_rs_int(void *rs);
+
+/* CCSDS standard (255,223) RS codec with conventional (*not* dual-basis)
+ * symbol representation
+ */
+void encode_rs_8(unsigned char *data,unsigned char *parity);
+int decode_rs_8(unsigned char *data,int *eras_pos,int no_eras);
+
+/* Tables to map from conventional->dual (Taltab) and
+ * dual->conventional (Tal1tab) bases
+ */
+extern unsigned char Taltab[],Tal1tab[];