K 10
svn:author
V 3
mjg
K 8
svn:date
V 27
2020-07-15T10:24:04.277318Z
K 7
svn:log
V 197
fd: remove fd_lastfile

It keeps recalculated way more often than it is needed.

Provide a routine (fdlastfile) to get it if necessary.

Consumers may be better off with a bitmap iterator instead.

END