diff --git a/aider/queries/tree-sitter-c-tags.scm b/aider/queries/tree-sitter-c-tags.scm
new file mode 100644
index 000000000..eaa5a6d70
--- /dev/null
+++ b/aider/queries/tree-sitter-c-tags.scm
@@ -0,0 +1,19 @@
+(translation_unit
+  (function_definition
+    declarator: (function_declarator
+      declarator: (identifier) @name.definition.function
+    )
+  ) @definition.function
+
+  (struct_specifier
+    name: (type_identifier) @name.definition.struct
+  ) @definition.struct
+
+  (union_specifier
+    name: (type_identifier) @name.definition.union
+  ) @definition.union
+
+  (enum_specifier
+    name: (type_identifier) @name.definition.enum
+  ) @definition.enum
+)