diff --git a/src/defines.h b/src/defines.h
index 9533476..1999826 100644
--- a/src/defines.h
+++ b/src/defines.h
@@ -164,7 +164,7 @@
 #endif
 
 /*extern char *getpass();*/
-extern char *crypt(); /* libufc */
+extern char *crypt(const char *key, const char *salt); /* libufc */
 
 #if HAVE_TERMIOS_H
 # include <termios.h>
diff --git a/src/extra.h b/src/extra.h
index b655291..bae372e 100644
--- a/src/extra.h
+++ b/src/extra.h
@@ -14,7 +14,7 @@ char *get_cfile(int uid, char*);
 void Bzero(void *s, size_t n);
 void mcrypt_tolow(char *str, int size);
 
-char *my_getpass();
+char *my_getpass(char *prt);
 int check_file_head(FILE *fstream, char *algorithm, char* mode, char* keymode, int *keysize, void* salt, int* salt_size);
 void* read_iv(FILE *fstream, int ivsize);
 int write_file_head(FILE * filedes, char* algorithm, char* mode, char* keymode, int* keysize, void *salt, int salt_size);
diff --git a/src/ufc_crypt.c b/src/ufc_crypt.c
index 8c452d7..7f3a68f 100644
--- a/src/ufc_crypt.c
+++ b/src/ufc_crypt.c
@@ -28,7 +28,7 @@
 
 /* UFC optimized for 32 bit machines */
 
-extern word32 *_ufc_dofinalperm();
+extern word32 *_ufc_dofinalperm(word32 l1, word32 l2, word32 r1, word32 r2);
 
 
 /*
@@ -668,7 +668,7 @@ char *salt;
 	return outbuf;
 }
 
-word32 *_ufc_doit();
+word32 *_ufc_doit(word32 l1, word32 l2, word32 r1, word32 r2, word32 itr);
 
 /* 
  * UNIX crypt function