From 03097865e58c3488d84e5b2850a8420487de7e73 Mon Sep 17 00:00:00 2001
From: "Ibrahim Ahmad (feyroozecode)"
 <43380715+feyroozecode@users.noreply.github.com>
Date: Fri, 21 Jun 2024 06:08:32 +0100
Subject: [PATCH] Update books.md (#1546)

the old link from : https://www.planetpdf.com/codecuts/pdfs/ooc.pdf it dosn't work properly
---
 books.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/books.md b/books.md
index b291f86..c66d85f 100644
--- a/books.md
+++ b/books.md
@@ -10,7 +10,7 @@
 * [Deep C](http://www.slideshare.net/olvemaudal/deep-c)
 * [Essential C](http://cslibrary.stanford.edu/101/EssentialC.pdf) (PDF)
 * [Learn C the hard way](http://c.learncodethehardway.org/book/)
-* [Object Oriented Programming in C](http://www.planetpdf.com/codecuts/pdfs/ooc.pdf) (PDF)
+* [Object Oriented Programming in C](https://hps.vi4io.org/_media/teaching/wintersemester_2012_2013/epc-1213-grigoras-oo-praesentation.pdf) (PDF)
 * [The C book](http://publications.gbdirect.co.uk/c_book/)
 * [The Craft of Text Editing or A Cookbook for an Emacs](http://www.finseth.com/craft/) - Craig A. Finseth
 * [The GNU C Programming Tutorial](http://www.crasseux.com/books/ctut.pdf)