* *.cc: put winsup.h before other headers (for __INSIDE_CYGWIN__);
use cur_environ() instead of just environ
* times.cc: remove import protections
* glob.c: add winsup.h
* localtime.c: ditto
* smallprint.c: ditto
* Makefile.in: don't __INSIDE_CYGWIN__ as it messes up profiling.
to be set when variable blocksize mode is on.
* fhandler_raw.cc: Eliminate `\n' from trace output.
(clear): Set `varblkop' to 0.
(dup): Copy varblkop as well.
(writebuf): Care for variable blocksize.
(open): Ditto.
(raw_read): Ditto.
(raw_write): Ditto.
* fhandler_tape.cc (open): Ditto.
(ioctl): Ditto. Some cleanups.
