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diff readwrite.h @ 10:3bfef1f22a97

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trivial changes to get rid of compile-time warnings
author Henry S. Thompson <ht@inf.ed.ac.uk>
date Fri, 31 Jan 2025 15:26:11 +0000
parents 2cb46628feec
children
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--- a/readwrite.h	Fri Jan 31 13:37:33 2025 +0000
+++ b/readwrite.h	Fri Jan 31 15:26:11 2025 +0000
@@ -1,7 +1,4 @@
-#ifndef READWRITE_H
-#define READWRITE_H
-
-extern int read();
-extern int write();
+#ifndef _UNISTD_H
+#include <unistd.h>
 
 #endif