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-rw-r--r--include/unistd.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/unistd.h b/include/unistd.h
index a00a9c4f..9f2fac96 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -15,7 +15,11 @@ extern "C" {
#define SEEK_CUR 1
#define SEEK_END 2
+#ifdef __cplusplus
#define NULL 0L
+#else
+#define NULL ((void*)0)
+#endif
#define __NEED_size_t
#define __NEED_ssize_t