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BSD 4.1

/* sccs id %W% %G% */

/* 
 * this file contains auxiliary structure definitions which are used by
 * just a few files.
 */

/* transfer table structures. */

#define TRENTS 510

struct trent
{
    lispval (*fcn)();		/* function to call 			*/
    lispval name;	/* symbol which is the function to call */
};

struct trtab
{
    struct trtab *nxtt;			/* pointer to next transfer table */
    struct trent trentrs[TRENTS];	/* entries			  */
    int	sentinal;			/* must be zero			  */
};



struct heads {
	struct heads *link;
	char *pntr;
};


struct types
{
	char	*next_free;
	int	space_left,
		space,
		type,
		type_len;		/*  note type_len is in units of int */
	lispval *items,
		*pages,
		*type_name;
	struct heads
		*first;

};

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