2001-06-08 Benjamin Kosnik <bkoz@redhat.com>
libstdc++/2767
libstdc++/2989
libstdc++/2992
* include/std/*: Add copyright notice.
* include/c_std/bits/*: Use using statements instead of extern "C".
* include/c_std/bits/std_cmath.h: Don't overload double versions
of math functions with __buitin versions, use global version to
prevent ambiguities. Remove define hacks.
* include/c_std/bits/std_cwchar.h: Using declarations for "C"
functions that have changed signatures and std::
declarations. Remove define hacks.
* include/c_std/bits/std_cwchar.h: Same, plus remove ambiguous
__builtins in std::. Remove define hacks.
* testsuite/17_intro/headers_c.cc: Add tests.
* testsuite/17_intro/headers_c++.cc: Add test.
From-SVN: r43061
