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-rw-r--r--SCM/continue.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/SCM/continue.h b/SCM/continue.h
index 2acb368..d901e01 100644
--- a/SCM/continue.h
+++ b/SCM/continue.h
@@ -18,7 +18,10 @@
/* "continue.h" Scheme Continuations for C.
Author: Aubrey Jaffer. */
-#define STDC_HEADERS
+#ifndef STDC_HEADERS
+#define STDC_HEADERS 1
+#endif
+
#include <stdlib.h>
/* If stack is not longword aligned then */