+ Cvar_Set(cvars, var_name, val);
+}
+
+void Cvar_RegisterCallback(cvar_t *variable, void (*callback)(char *))
+{
+ variable->callback = callback;
+}
+
+void Cvar_RegisterAlias(cvar_t *variable, const char *alias )
+{
+ cvar_state_t *cvars = &cvars_all;
+ cvar_hash_t *hash;
+ int hashindex;
+
+ variable->aliases = (char **)Mem_Realloc(zonemempool, variable->aliases, sizeof(char *) * (variable->aliasindex + 1));
+ // Add to it
+ variable->aliases[variable->aliasindex] = (char *)Z_Malloc(strlen(alias) + 1);
+ memcpy(variable->aliases[variable->aliasindex], alias, strlen(alias) + 1);
+ variable->aliasindex++;
+
+ // link to head of list in this hash table index
+ hash = (cvar_hash_t *)Z_Malloc(sizeof(cvar_hash_t));
+ hashindex = CRC_Block((const unsigned char *)alias, strlen(alias)) % CVAR_HASHSIZE;
+ hash->next = cvars->hashtable[hashindex];
+ cvars->hashtable[hashindex] = hash;
+ hash->cvar = variable;