From a2472f2cbb47757ce2e9734fa3f4e5bf2d303644 Mon Sep 17 00:00:00 2001
From: Witold Filipczyk <witekfl@poczta.onet.pl>
Date: Fri, 13 May 2022 16:54:26 +0200
Subject: [PATCH] [dos] include unistd.h

---
 src/osdep/dos/dos.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/osdep/dos/dos.c b/src/osdep/dos/dos.c
index 959943af..5cf64764 100644
--- a/src/osdep/dos/dos.c
+++ b/src/osdep/dos/dos.c
@@ -22,6 +22,7 @@
 #include <stdlib.h>
 #include <sys/socket.h>
 #include <time.h>
+#include <unistd.h>
 #include <values.h>
 #include "intl/libintl.h"
 #include "main/main.h"