Parallel port headers

[Ivan Voras]

Hi,

At least one on-line tutorial about parallel port hacking
(http://www.excamera.com/articles/21/parallel.html) uses these header files:

#include <sys/dev/ppbus/ppi.h>
#include <sys/dev/ppbus/ppbconf.h>

They are actually present in /sys, but not in the normal userland
include paths. Is this intentional, or was it removed sometimes in the past?


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