X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/4bb101f2758f169969171dfe6b70f68a406dcc1e..1496a2903a805227b24069aa13ba85cf906b9b8c:/perlsdio.h

diff --git a/perlsdio.h b/perlsdio.h
index c35752a..480b024 100644
--- a/perlsdio.h
+++ b/perlsdio.h
@@ -87,7 +87,7 @@
 #ifdef HAS_SETLINEBUF
 #define PerlIO_setlinebuf(f)		PerlSIO_setlinebuf(f);
 #else
-#define PerlIO_setlinebuf(f)		PerlSIO_setvbuf(f, Nullch, _IOLBF, 0);
+#define PerlIO_setlinebuf(f)		PerlSIO_setvbuf(f, NULL, _IOLBF, 0);
 #endif
 
 /* Now our interface to Configure's FILE_xxx macros */