-int uuencode(unsigned char *src, unsigned int srclength, char *target, size_t targsize);
-int uudecode(const char *src, unsigned char *target, size_t targsize);
-void dump_base64(FILE *fp, unsigned char *data, int len);
+int uuencode(u_char *, u_int, char *, size_t);
+int uudecode(const char *, u_char *, size_t);
+void dump_base64(FILE *, u_char *, int);