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-rw-r--r--mmalloc/mmalloc.h9
1 files changed, 6 insertions, 3 deletions
diff --git a/mmalloc/mmalloc.h b/mmalloc/mmalloc.h
index b067726..030cdc2 100644
--- a/mmalloc/mmalloc.h
+++ b/mmalloc/mmalloc.h
@@ -36,12 +36,15 @@ Cambridge, MA 02139, USA.
# define NULL (void *) 0
# endif
#else
-# undef size_t
-# define size_t unsigned int
-# define CHAR_BIT 8
# define PTR char *
# define CONST /* nothing */
# define PARAMS(paramlist) ()
+# ifndef size_t
+# define size_t unsigned int
+# endif
+# ifndef CHAR_BIT
+# define CHAR_BIT 8
+# endif
# ifndef NULL
# define NULL 0
# endif