diff --git a/main.h b/main.h
index 29344158..ce9ac8e4 100644
--- a/main.h
+++ b/main.h
@@ -91,6 +91,8 @@ void write_little_endian(unsigned int word, int num_bytes, FILE *wav_file);
 extern int Encode_8b10b[][256];
 extern const unsigned char ALPHA_TO[];
 // const unsigned char *CCodecAO40::encode(unsigned char *source_bytes, int byte_count);
+extern const unsigned char *encode(unsigned char *source_bytes, int byte_count);
+extern void update_rs(unsigned char parity[32], unsigned char c);
 void program_radio();
 
 int socket_open = 0;