#ifndef BASE64_H
#define BASE64_H
-int b64_encode(const char *src, const int ssize,
+int b64_encode(const unsigned char *src, const int ssize,
char *const b64, int *const bsize);
-int b64_decode(const char *b64, char *const dst, int *const dsize);
+int b64_decode(const char *b64, unsigned char *const dst, int *const dsize);
#endif /* BASE64_H */