[Bug libstdc++/43738] basic_file_stdio.cc uses ioctl on a fd, but not available on mingw32

[dannysmith at users dot sourceforge dot net]

------- Comment #6 from dannysmith at users dot sourceforge dot net  2010-04-15 
07:54 -------
(In reply to comment #1)
> FIONREAD is defined by winsock header
> 

How come your build of basic_file_stdio includes  winsock api headers? 


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43738