-extern void md5_init (md5_ctxt *);
-extern void md5_loop (md5_ctxt *, const void *, u_int);
-extern void md5_pad (md5_ctxt *);
-extern void md5_result (uint8_t *, md5_ctxt *);
+extern void md5_init(md5_ctxt *);
+extern void md5_loop(md5_ctxt *, const void *, unsigned int);
+extern void md5_pad(md5_ctxt *);
+extern void md5_result(uint8_t *, md5_ctxt *);