1 files changed, 3 insertions, 0 deletions
diff --git a/grp/grp.h b/grp/grp.h
index c03772cb34..c37985a40f 100644
--- a/grp/grp.h
+++ b/grp/grp.h
@@ -29,6 +29,9 @@ __BEGIN_DECLS
 
 #include <gnu/types.h>
 
+#define __need_size_t
+#include <stddef.h>
+
 
 /* The group structure.	 */
 struct group