int writeBase64aux(FILE *, FILE *, int);
int writeBase64(const unsigned char *, size_t, unsigned char *);
int writeBase64raw(const unsigned char *, size_t, unsigned char *);
-int decodeBase64(const char *, unsigned char **, size_t *, int, unsigned char *);
+int decodeBase64(const char *, unsigned char **, size_t *, int);
void hexify(const unsigned char *, size_t, char **);
/* Includes trailing NUL. */