The last direct user of the used parameter was removed in
16276faa45, the last actual user in
e2bbd0ceec.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
But only functions that operate only on gases. Functions concerning
cylinders or dives remain in dive.c or are moved to equipment.c
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
There is an equipment.c file, but no corresponding header. Move the
corresponding functions into a newly created header. This does not
improve compile time since, at least for now, equipment.h is included
in dive.h. But it makes things more consistent.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>