fix: 'builtins'

builtins.c

@@ -143,12 +143,17 @@ int lisp_function_builtins(Nodes args, Scopes *scopes, Node *result) {
     }
 
     Scope *global_scope = nob_da_first(scopes);
-    Nodes nodes = {0};
+    Nodes *nodes = malloc(sizeof(Nodes));
-    nob_da_foreach(ScopeObject, scope_object, global_scope) {
+    if (nodes == NULL) {
-        nob_da_append(&nodes, scope_object->node);
+        printf("Failed to allocated memory, something is very wrong!\n");
+        return 1;
     }
 
-    *result->as_list = nodes;
+    nob_da_foreach(ScopeObject, scope_object, global_scope) {
+        nob_da_append(nodes, scope_object->node);
+    }
+
+    result->as_list = nodes;
     result->kind = NODE_KIND_LIST;
     return 0;
 }

lisp.c

@@ -53,6 +53,7 @@ void build_scopes(Scopes *scopes) {
     scope_add_function(&global_scope, "append", lisp_function_append);
     scope_add_function(&global_scope, "length", lisp_function_length);
     scope_add_function(&global_scope, "null?", lisp_function_isnull);
+    scope_add_function(&global_scope, "builtins", lisp_function_builtins);
 
     scope_add_function(&global_scope, "floor", lisp_function_floor);
     scope_add_function(&global_scope, "ceil", lisp_function_ceil);