etc/config/src/EXTERN_C_OVERLOAD.cpp

// checking overloading on extern "C"

/***************************************************************************
 *
 * Licensed to the Apache Software  Foundation (ASF) under one or more
 * contributor  license agreements.  See  the NOTICE  file distributed
 * with  this  work  for  additional information  regarding  copyright
 * ownership.   The ASF  licenses this  file to  you under  the Apache
 * License, Version  2.0 (the  License); you may  not use  this file
 * except in  compliance with the License.   You may obtain  a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the  License is distributed on an  "AS IS" BASIS,
 * WITHOUT  WARRANTIES OR CONDITIONS  OF ANY  KIND, either  express or
 * implied.   See  the License  for  the  specific language  governing
 * permissions and limitations under the License.
 *
 * Copyright 1999-2007 Rogue Wave Software, Inc.
 * 
 **************************************************************************/

extern "C" {

    typedef int (*pf_t)(void);

    int foo (pf_t f) { return f (); }

    int bar () { return 0; }
}

extern "C++" {

    int foo (int (*f)(void)) { return f (); }

    int baz () { return 1; }
    
}

int main ()
{
    return !(0 == foo (bar) && 1 == foo (baz));
}