extern "C" {
	void IIingres();
	void IIwrite();
	void IIsync();
	void IIsetup();
	int  IIn_get();
	void IIn_ret();
	int  IIerrtest();
	void IIflushtup();
	void IIexit();

	int  IIndomains;             /* number of doamins in this retrieve */
	int  IIdomains;
	long IItupcnt;               /* # tuples which satified last 
                                      * update query */
	}

struct retsym
{
        char            type;
        char            len;
        char            *addr;
	};

struct retsym   IIr_sym;                /* type, length fields used
                                         * by new equel in IIn_ret and IIn_get
                                         */
#define EXIT = 'x'