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-rw-r--r--sysdeps/generic/gnu/types.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sysdeps/generic/gnu/types.h b/sysdeps/generic/gnu/types.h
index 614252aaac..f42fb7f544 100644
--- a/sysdeps/generic/gnu/types.h
+++ b/sysdeps/generic/gnu/types.h
@@ -57,6 +57,7 @@ typedef long int __daddr_t;	/* The type of a disk address.  */
 typedef char *__caddr_t;
 typedef long int __time_t;
 typedef long int __swblk_t;	/* Type of a swap block maybe?  */
+typedef long int __key_t;	/* Type of an IPC key */
 
 /* fd_set for select.  */