Adjust various man pages and other documentation to point to capfile(5)
instead of termcap(5).
Remove getcap(3) as curses hasn't been building it for a long time.
Punt wrterm.c as tset no longer uses it.
not correct since, as far as reading the source, it is impossible for
cgetset() to set such errno. I guess `seq' is not a typo of `set' but
abbreviation of `sequen...'.
as target for a bunch of MLINKS. This had the effect that whatever came
last in install overwrote everything from the other camp.
Solve this by renaming the libc page -- this makes sense because no
function is really named "getcap" here.