+/****f* silcutil/SilcUtilAPI/silc_hash_id
+ *
+ * SYNOPSIS
+ *
+ * SilcUInt32 silc_hash_id(void *key, void *user_context);
+ *
+ * DESCRIPTION
+ *
+ * Hash a ID. The `user_context' is the ID type.
+ *
+ ***/
+SilcUInt32 silc_hash_id(void *key, void *user_context);
+
+/****f* silcutil/SilcUtilAPI/silc_hash_client_id_hash
+ *
+ * SYNOPSIS
+ *
+ * SilcUInt32 silc_hash_client_id_hash(void *key, void *user_context)
+ *
+ * DESCRIPTION
+ *
+ * Hash Client ID's hash.
+ *
+ ***/
+SilcUInt32 silc_hash_client_id_hash(void *key, void *user_context);
+
+/****f* silcutil/SilcUtilAPI/silc_hash_id_compare
+ *
+ * SYNOPSIS
+ *
+ * SilcBool silc_hash_id_compare(void *key1, void *key2,
+ * void *user_context);
+ *
+ * DESCRIPTION
+ *
+ * Compares two ID's. May be used as SilcHashTable comparison function.
+ * The Client ID's compares only the hash of the Client ID not any other
+ * part of the Client ID. Other ID's are fully compared.
+ *
+ ***/
+SilcBool silc_hash_id_compare(void *key1, void *key2, void *user_context);
+
+/****f* silcutil/SilcUtilAPI/silc_hash_id_compare_full
+ *
+ * SYNOPSIS
+ *
+ * SilcBool silc_hash_id_compare_full(void *key1, void *key2,
+ * void *user_context)
+ *
+ * DESCRIPTION
+ *
+ * Compares two ID's. May be used as SilcHashTable comparison function.
+ * To compare full ID's instead of only partial, like the
+ * silc_hash_id_compare does, use this function.
+ *
+ ***/
+SilcBool silc_hash_id_compare_full(void *key1, void *key2, void *user_context);
+
+/****f* silcutil/SilcUtilAPI/silc_hash_client_id_compare
+ *
+ * SYNOPSIS
+ *
+ * SilcBool silc_hash_client_id_compare(void *key1, void *key2,
+ * void *user_context);
+ *
+ * DESCRIPTION
+ *
+ * Compare two Client ID's entirely and not just the hash from the ID.
+ *
+ ***/
+SilcBool silc_hash_client_id_compare(void *key1, void *key2,
+ void *user_context);
+
+/****f* silcutil/SilcUtilAPI/silc_fingerprint
+ *
+ * SYNOPSIS
+ *
+ * char *silc_fingerprint(const unsigned char *data, SilcUInt32 data_len);
+ *
+ * DESCRIPTION
+ *
+ * Return a textual representation of the fingerprint in *data, the
+ * caller must free the returned string.
+ *
+ ***/
+char *silc_fingerprint(const unsigned char *data, SilcUInt32 data_len);
+
+/****f* silcutil/SilcUtilAPI/silc_string_is_ascii
+ *
+ * SYNOPSIS
+ *
+ * SilcBool silc_string_is_ascii(const unsigned char *data,
+ * SilcUInt32 data_len);
+ *
+ * DESCRIPTION
+ *
+ * Return TRUE if the `data' is ASCII string.
+ *
+ ***/
+SilcBool silc_string_is_ascii(const unsigned char *data, SilcUInt32 data_len);
+
+/****f* silcutil/SilcUtilAPI/silc_get_input
+ *
+ * SYNOPSIS
+ *
+ * char *silc_get_input(const char *prompt, SilcBool echo_off);
+ *
+ * DESCRIPTION
+ *
+ * Displays input prompt on command line and takes input data from user.
+ *
+ ***/
+char *silc_get_input(const char *prompt, SilcBool echo_off);
+
+/* System dependant prototypes */
+
+/****f* silcutil/SilcUtilAPI/silc_get_username
+ *
+ * SYNOPSIS
+ *
+ * char *silc_get_username();
+ *
+ * DESCRIPTION
+ *
+ * Returns the username of the user. If the global variable LOGNAME
+ * does not exists we will get the name from the passwd file. The
+ * caller must free the returned name.
+ *
+ * This function is system dependant.
+ *
+ ***/
+char *silc_get_username();
+
+/****f* silcutil/SilcUtilAPI/silc_get_real_name
+ *
+ * SYNOPSIS
+ *
+ * char *silc_get_real_name();
+ *
+ * DESCRIPTION
+ *
+ * Returns the real name of ther user from the passwd file. The
+ * caller must free the returned name.
+ *
+ * This function is system dependant.
+ *
+ ***/
+char *silc_get_real_name();
+
+/****f* silcutil/SilcUtilAPI/silc_va_copy
+ *
+ * SYNOPSIS
+ *
+ * void silc_va_copy(va_list dest, va_list src);
+ *
+ * DESCRIPTION
+ *
+ * Copies variable argument list. This must be called in case the
+ * variable argument list must be evaluated multiple times. For each
+ * evaluation the list must be copied and va_end must be called for
+ * each copied list.
+ *
+ ***/
+#if defined(HAVE_VA_COPY)
+#define silc_va_copy(dest, src) va_copy(dest, src);
+#elif defined(HAVE___VA_COPY)
+#define silc_va_copy(dest, src) __va_copy(dest, src);
+#elif defined(SILC_VA_COPY_ARRAY)
+#define silc_va_copy(dest, src) memmove(dest, src, sizeof(va_list));
+#else
+#define silc_va_copy(dest, src) dest = src;