...an be specified in flags to cause oldpath to be dereferenced if it is a symbolic link. If procfs is mounted, this can be used as an alternative to AT_EMPTY_PATH , like this: lin…...an be specified in flags to cause oldpath to be dereferenced if it is a symbolic link. If procfs is mounted, this can be used as an alternative to AT_EMPTY_PATH , like this: lin…...) and the other "*at()" system calls. This includes linkat (2) with AT_EMPTY_PATH (or via procfs using AT_SYMLINK_FOLLOW ) even if the file is not a directory. • Passing the fil…...) and the other "*at()" system calls. This includes linkat (2) with AT_EMPTY_PATH (or via procfs using AT_SYMLINK_FOLLOW ) even if the file is not a directory. • Passing the fil…...) and the other "*at()" system calls. This includes linkat (2) with AT_EMPTY_PATH (or via procfs using AT_SYMLINK_FOLLOW ) even if the file is not a directory. • Passing the fil…