std_cerrno.h: Don't define errno in std::.

std_cerrno.h: Don't define errno in std::.

2001-03-06  Nathan Myers  <ncm@cantrip.org>
	    Benjamin Kosnik  <bkoz@redhat.com>

	* include/c_std/bits/std_cerrno.h: Don't define errno in std::.
	* testsuite/17_intro/header_cerrno.cc (test01): New file.
	* testsuite/17_intro/header_cassert.cc (test01): New file.
	* testsuite/17_intro/header_cstddef.cc (test01): New file.
	* testsuite/17_intro/header_csetjmp.cc (test01): New file.
	* testsuite/17_intro/header_cstdarg.cc (test01): New file.

Co-Authored-By: Benjamin Kosnik <bkoz@redhat.com>
From-SVN: r40270