Viewing directory /usr/src/linux-headers-4.15.0-212-generic/include/config/has

Name	Owner	Permissions
.	root	drwxr-xr-x
..	root	drwxr-xr-x
dma.h	root	drwxr-xr-x
iomem.h	root	drwxr-xr-x
ioport	root	drwxr-xr-x