%# -*-mode: C++-*-
%define c "  "
/* -*-mode: C++-*-

  <:NAME>

%license


  <:DATE> <:AUTHOR> <<:EMAIL>>
*/

%if defined("BODY")
#include <cstdlib>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif /* HAVE_UNISTD_H */
%endif # defined("BODY")
%end

Uses: BODY

BODY:
If BODY is defined, include <cstdlib>, and include <unistd.h> if 
HAVE_UNISTD_H is defined (in the C++ compile).