function
   
petsc-dev 2014-02-02
err = PetscObjectsView(viewer) % if (nargin == 0) err = calllib('libpetsc', 'PetscOptionsView',0);PetscCHKERRQ(err); else err = calllib('libpetsc', 'PetscOptionsView',viewer.pobj);PetscCHKERRQ(err); end