extern PACKAGE Ibheader::Tisc_attach_database isc_attach_database; 

namespace Ibintf
{
// -- type declarations -------------------------------------------------------
 
__interface IGDSLibrary;
typedef System::DelphiInterface<IGDSLibrary> _di_IGDSLibrary;
__interface INTERFACE_UUID("{BCAC76DD-25EB-4261-84FE-0CB3310435E2}") IGDSLibrary  : public IInterface 
{
	
public:
	virtual int __fastcall isc_attach_database(Ibexternals::PISC_STATUS status_vector, short db_name_length, char * db_name, Ibheader::PISC_DB_HANDLE db_handle, short parm_buffer_length, char * parm_buffer) =  0  ;
}
}

_di_IGDSLibrary
   gds=GetGDSLibrary();
   
   gds->isc_attach_database(...