Errhandler_function  100 ompi/mpi/cxx/comm.h   typedef void Errhandler_function(Comm&, int*, ...);
Errhandler_function  296 ompi/mpi/cxx/file.h   typedef void Errhandler_function(MPI::File &, int *, ... );
Errhandler_function   88 ompi/mpi/cxx/win.h   typedef void Errhandler_function(Win &, int *, ... );