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-rw-r--r--includes.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/includes.h b/includes.h
index 862dbd64..8fa174bd 100644
--- a/includes.h
+++ b/includes.h
@@ -75,4 +75,10 @@ static /**/const char *const rcsid[] = { (char *)rcsid, "\100(#)" msg }
client program. Socketpairs do not seem to work on all systems. */
#define USE_PIPES 1
+#ifndef SHUT_RD
+#define SHUT_RD 0
+#define SHUT_WR 1
+#define SHUT_RDWR 2
+#endif /* SHUT_RD */
+
#endif /* INCLUDES_H */