struct ClauseList
{
int n; /*counter*/
void *start;
void *end;
};
typedef struct ClauseList *clause_list_t;
clause_list_t Yap_ClauseListInit(clause_list_t in);
int Yap_ClauseListExtend(clause_list_t cl, void * clause, void *pred);
void Yap_ClauseListClose(clause_list_t cl);
int Yap_ClauseListDestroy(clause_list_t cl);
void *Yap_ClauseListToClause(clause_list_t cl);
void *Yap_ClauseListCode(clause_list_t cl);
void *Yap_FAILCODE(void);
#define Yap_ClauseListCount(cl) ((cl)->n)
