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-rw-r--r--winsup/cygwin/winsup.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/winsup/cygwin/winsup.h b/winsup/cygwin/winsup.h
index 4cfce5d4c..513d44863 100644
--- a/winsup/cygwin/winsup.h
+++ b/winsup/cygwin/winsup.h
@@ -288,6 +288,8 @@ extern bool cygwin_testing;
extern unsigned _cygwin_testing_magic;
extern HMODULE cygwin_hmodule;
+extern char almost_null[];
+
#define winsock2_active (wsadata.wVersion >= 512)
#define winsock_active (wsadata.wVersion < 512)
extern struct WSAData wsadata;