-void Cvar_MenuSlider(cvar_t *variable, int menu, float slider_min, float slider_max, float slider_step);
-void Cvar_MenuBool(cvar_t *variable, int menu, char *name_false, char *name_true);
-void Cvar_MenuFloat(cvar_t *variable, int menu, float range_min, float range_max);
-void Cvar_MenuInteger(cvar_t *variable, int menu, int range_min, int range_max);
-void Cvar_MenuString(cvar_t *variable, int menu);
-void Cvar_MenuOption(cvar_t *variable, int menu, int value[16], char *name[16]);
+typedef struct cvar_hash_s
+{
+ cvar_t *cvar;
+ struct cvar_hash_s *next;
+} cvar_hash_t;
+
+typedef struct cvar_state_s
+{
+ cvar_t *vars;
+ cvar_hash_t *hashtable[CVAR_HASHSIZE];
+}
+cvar_state_t;
+
+extern cvar_state_t cvars_all;
+extern cvar_state_t cvars_null; // used by cmd_serverfromclient which intentionally has no cvars available
+
+/*
+void Cvar_MenuSlider(cvar_t *variable, int menu, float slider_min, float slider_max, float slider_step);
+void Cvar_MenuBool(cvar_t *variable, int menu, const char *name_false, const char *name_true);
+void Cvar_MenuFloat(cvar_t *variable, int menu, float range_min, float range_max);
+void Cvar_MenuInteger(cvar_t *variable, int menu, int range_min, int range_max);
+void Cvar_MenuString(cvar_t *variable, int menu);
+void Cvar_MenuOption(cvar_t *variable, int menu, int value[16], const char *name[16]);
+*/
+
+
+void Cvar_RegisterAlias(cvar_t *variable, const char *alias );
+
+void Cvar_RegisterCallback(cvar_t *variable, void (*callback)(cvar_t *));
+
+/// registers a cvar that already has the name, string, and optionally the
+/// archive elements set.
+void Cvar_RegisterVariable(cvar_t *variable);
+
+qboolean Cvar_Readonly (cvar_t *var, const char *cmd_name);