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-rw-r--r--sysdeps/unix/sysv/linux/ttyname.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/ttyname.h b/sysdeps/unix/sysv/linux/ttyname.h
index 2e415e4..cbcdbab 100644
--- a/sysdeps/unix/sysv/linux/ttyname.h
+++ b/sysdeps/unix/sysv/linux/ttyname.h
@@ -21,7 +21,8 @@
#include <sys/stat.h>
/* Return true if this is a UNIX98 pty device, as defined in
- linux/Documentation/devices.txt. */
+ linux/Documentation/devices.txt (on linux < 4.10) or
+ linux/Documentation/admin-guide/devices.txt (on linux >= 4.10). */
static inline int
is_pty (struct stat64 *sb)
{