and have the C vis()/unvis() available as a 'cvis' build tag. Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>
The current Vis() and Unvis() are using the C implementation from MTREE(8). But that means that cgo is used, which is not always desired. Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>