-extern int GSM_UnpackEightBitsToSeven(int fillbits, int in_length, int out_length, unsigned char *input, unsigned char *output);
-extern int GSM_PackSevenBitsToEight (int offset, unsigned char *input, unsigned char *output);
-#endif /* UCLINUX */
+int GSM_UnpackEightBitsToSeven(int fillbits, int in_length, int out_length, unsigned char *input, unsigned char *output);
+int GSM_PackSevenBitsToEight (int offset, unsigned char *input, unsigned char *output);