Imported from the official WiringPi repository, version 2.60. Signed-off-by: Deokgyu Yang <secugyu@gmail.com> Change-Id: I82dc00ab9f038f9bc4c6a9c4ca3affe5a5d33ae1
Signed-off-by: Deokgyu Yang <secugyu@gmail.com> Change-Id: I1189f950d0e51cbc4c569b1e7a1182dc5f8fe762