Update main.h remove extern

main.h

@@ -91,11 +91,11 @@ int lower_digit(int number);
 void update_rs(unsigned char parity[32], unsigned char c);
 void write_little_endian(unsigned int word, int num_bytes, FILE *wav_file);
 //static int init_rf();
-extern int Encode_8b10b[][256];
+int Encode_8b10b[][256];
-extern const unsigned char ALPHA_TO[];
+//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);
+const unsigned char *encode(unsigned char *source_bytes, int byte_count);
-extern void update_rs(unsigned char parity[32], unsigned char c);
+void update_rs(unsigned char parity[32], unsigned char c);
 void program_radio();
 FILE *sopen(const char *program);
 void write_to_buffer(int i, int symbol, int val);