From d110d190732a1c08b145c7155d9361bc02ef8876 Mon Sep 17 00:00:00 2001
From: Evgeny <me@jeka.su>
Date: Fri, 13 Feb 2026 02:51:32 +0300
Subject: [PATCH] Add filename headers to toc output

Format:
  lib/filename.c:
  [start-end] declaration;

  lib/filename.h:
  [start-end] typedef struct { ... } name;
---
 c_util | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/c_util b/c_util
index d8c571d1..e48c83f9 100755
--- a/c_util
+++ b/c_util
@@ -647,6 +647,9 @@ def main():
                 print()
             first_file = False
             
+            # Print filename header
+            print(f"{f}:")
+            
             # Print in new format
             for start, end, text in declarations:
                 print(f"[{start + 1}-{end + 1}] {text}")