From 021333aca61c64379b213a36b6e39680653cb909 Mon Sep 17 00:00:00 2001
From: Intel A80486DX2-66 <larry.holst@disroot.org>
Date: Thu, 28 Dec 2023 00:39:59 +0300
Subject: [PATCH] reverse-ramdisk.c: correct POSIX version requirement

---
 c-programming/reverse-ramdisk.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/c-programming/reverse-ramdisk.c b/c-programming/reverse-ramdisk.c
index aca186c..0fe67b2 100644
--- a/c-programming/reverse-ramdisk.c
+++ b/c-programming/reverse-ramdisk.c
@@ -20,7 +20,7 @@ To-Do: Add thread-safe versions of functions (use postfix `_r`)
 #include <stdlib.h>
 #include <string.h>
 
-#if _POSIX_VERSION >= 200809L && defined(_POSIX_SYNCHRONIZED_IO)
+#if _POSIX_VERSION >= 200112L
 # include <fcntl.h>
 # include <unistd.h>
 # define IS_POSIX 1