* include/tr1/cstdio: New.
	* include/tr1/stdio.h: Likewise.
	* include/Makefile.am: Add.
	* testsuite/tr1/8_c_compatibility/cstdio/functions.cc: New.
	* testsuite/tr1/headers.cc: Update.	
	* docs/html/ext/tr1.html: Update.

	* include/tr1/cwchar: Simplify, use _GLIBCXX_USE_C99, consistently
	with the facilities in std::.
	* include/tr1/cwctype: Likewise.
	* testsuite/tr1/8_c_compatibility/cwchar/functions.cc: Tweak.
	* testsuite/tr1/8_c_compatibility/cwctype/functions.cc: Likewise.
	* acinclude.m4 ([GLIBCXX_CHECK_C99_TR1]): Remove <wchar.h> and
	<wctype.h> checks.

	* include/Makefile.in: Regenerate.
	* config.h.in: Likewise.
	* configure: Likewise.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@110613 138bc75d-0d04-0410-961f-82ee72b054a4