From 967be9e750221ab2ab783f95df79bb26d290a45e Mon Sep 17 00:00:00 2001
From: Martial Simon <msimon_fr@hotmail.com>
Date: Mon, 15 Sep 2025 01:07:58 +0200
Subject: add: added projects

---
 malloc/page_begin/page_begin.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 malloc/page_begin/page_begin.c

(limited to 'malloc/page_begin/page_begin.c')

diff --git a/malloc/page_begin/page_begin.c b/malloc/page_begin/page_begin.c
new file mode 100644
index 0000000..ebb1842
--- /dev/null
+++ b/malloc/page_begin/page_begin.c
@@ -0,0 +1,10 @@
+#include "page_begin.h"
+
+void *page_begin(void *ptr, size_t page_size)
+{
+    char *a = ptr;
+    char *p = NULL;
+    size_t test = a - p;
+    void *res = (void *)(test & ~(page_size - 1));
+    return res;
+}
-- 
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