namespace AAA {
  char c;
  int i;
  int A_xyzq (int);
  char xyzq (char);
  class inA {
  public:
    int xx;
    int fum (int);
  };
};

int AAA::inA::fum (int i)
{
  return 10 + i;
}

namespace BBB {
  char c;
  int i;
  int B_xyzq (int);
  char xyzq (char);

  namespace CCC {
    char xyzq (char);
  };

  class Class {
  public:
    char xyzq (char);
    int dummy;
  };
};

int AAA::A_xyzq (int x)
{
  return 2 * x;
}

char AAA::xyzq (char c)
{
  return 'a';
}


int BBB::B_xyzq (int x)
{
  return 3 * x;
}

char BBB::xyzq (char c)
{
  return 'b';
}

char BBB::CCC::xyzq (char c)
{
  return 'z';
}

char BBB::Class::xyzq (char c)
{
  return 'o';
}

void marker1(void)
{
  return;
}

namespace
{
  int X = 9;

  namespace G
  {
    int Xg = 10;

    namespace
    {
      int XgX = 11;
    }
  }
}

namespace H
{
  int h = 14;
}

namespace I = H;

namespace J
{
  int j = 15;
}

using namespace J;

namespace K
{
  int k = 16;
}

namespace L
{
  using namespace K;
}

namespace O
{
  int o = 18;
}

namespace P
{
  using namespace O;
}

namespace Q
{
  using namespace P;
}

namespace R
{
  int r1 = 19;
  int r2 = 20;
}

using R::r1;

namespace C
{
  int c = 1;
  int shadow = 12;

  class CClass {
  public:
    int x;
    class NestedClass {
    public:
      int y;
    };
  };

  namespace
  {
    int cX = 6;
    
    namespace F
    {
      int cXf = 7;

      namespace
      {
	int cXfX = 8;
      }
    }
  }

  namespace C
  {
    int cc = 2;
  }

  namespace E
  {
    int ce = 4;
  }

  namespace D
  {
    int cd = 3;
    int shadow = 13;

    namespace E
    {
      int cde = 5;
    }

    namespace M
    {
      int cdm = 17;
    }

    using namespace M;

    void marker2 (void)
    {
      // NOTE: carlton/2002-10-11: I'm listing the expressions that I
      // plan to have GDB try to print out, just to make sure that the
      // compiler and I agree which ones should be legal!  It's easy
      // to screw up when testing the boundaries of namespace stuff.
      c;
      //cc;
      C::cc;
      cd;
      //C::D::cd;
      E::cde;
      shadow;
      //E::ce;
      cX;
      F::cXf;
      F::cXfX;
      X;
      G::Xg;
      G::XgX;
      I::h;
      j;
      L::k;
      //k;
      cdm;
      Q::o;
      //o;
      r1;
      //r2;
      return;
    }

  }
}

int main ()
{
  using AAA::inA;
  char c1;

  using namespace BBB;
  
  c1 = xyzq ('x');
  c1 = AAA::xyzq ('x');
  c1 = BBB::CCC::xyzq ('m');
  
  inA ina;

  ina.xx = 33;

  int y;

  y = AAA::A_xyzq (33);
  y += B_xyzq (44);

  BBB::Class cl;

  c1 = cl.xyzq('e');

  marker1();

  C::D::marker2 ();
}