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-rw-r--r--Mac/mwerks/malloc/malloc.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/Mac/mwerks/malloc/malloc.c b/Mac/mwerks/malloc/malloc.c
index 7d0fb6c..38bd32a 100644
--- a/Mac/mwerks/malloc/malloc.c
+++ b/Mac/mwerks/malloc/malloc.c
@@ -78,7 +78,9 @@ typedef u_long caddr_t;
#include <stdlib.h>
#include <string.h>
+#ifndef NULL
#define NULL 0
+#endif
static void morecore();