From 094184621b0bcc27c2a977ee0dd8bdd9931ec448 Mon Sep 17 00:00:00 2001
From: "Douglas B. Rumbaugh" <doug@douglasrumbaugh.com>
Date: Sat, 30 Aug 2025 22:49:03 -0400
Subject: Code cleanup+documentation

---
 include/cumsum.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'include/cumsum.h')

diff --git a/include/cumsum.h b/include/cumsum.h
index 9761a08..50ff0b1 100644
--- a/include/cumsum.h
+++ b/include/cumsum.h
@@ -5,6 +5,7 @@
 #define H_CDF
 
 #include <stdlib.h>
+#include <errno.h>
 #include <unistd.h>
 #include <stdio.h>
 #include <ctype.h>
-- 
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