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-rw-r--r--misc/sys/cdefs.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/misc/sys/cdefs.h b/misc/sys/cdefs.h
index 9960239..a4535e3 100644
--- a/misc/sys/cdefs.h
+++ b/misc/sys/cdefs.h
@@ -163,4 +163,10 @@
# define __restrict /* Ignore */
#endif
+/* ISO C99 also allows to declare arrays as non-overlapping. The syntax is
+ array_name[restrict]
+ But gcc so far does not support this syntax. We define a separate macro
+ for this which can be enabled if the underlying compiler supports it. */
+#define __restrict_arr
+
#endif /* sys/cdefs.h */