diff -u -r /home/fornwall/lib/android-ndk/sysroot/usr/include/utmp.h ./usr/include/utmp.h
--- /home/fornwall/lib/android-ndk/sysroot/usr/include/utmp.h 2017-06-20 17:41:56.000000000 +0200
diff -u -r /home/fornwall/lib/android-ndk/sysroot/usr/include/utmp.h ./usr/include/utmp.h
--- /home/fornwall/lib/android-ndk/sysroot/usr/include/utmp.h 2017-06-20 17:41:56.000000000 +0200
-#if __ANDROID_API__ >= 23
-int login_tty(int) __INTRODUCED_IN(23);
-#endif /* __ANDROID_API__ >= 23 */
-
-#if __ANDROID_API__ >= 23
-int login_tty(int) __INTRODUCED_IN(23);
-#endif /* __ANDROID_API__ >= 23 */
-