@c "fn/fprint.texi"
@c extracted from "../../lib/libchpfn/io.cc"
@c by "$(top_srcdir)/scripts/extract_texinfo.awk".

@deffn Function fprint file args...
Print @var{args} to file @var{file} by appending.  
Throw run-time exception if opening file fails.  
File streams are automatically closed and flushed upon library closing.  
@end deffn

