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#include <pgtypes_numeric.h>
typedef decimal dec_t;
int decadd(dec_t *, dec_t *, dec_t *);
int deccmp(dec_t *, dec_t *);
void deccopy(dec_t *, dec_t *);
int deccvasc(char *, int, dec_t *);
int deccvdbl(double, dec_t *);
int deccvint(int, dec_t *);
int deccvlong(long, dec_t *);
int decdiv(dec_t *, dec_t *, dec_t *);
int decmul(dec_t *, dec_t *, dec_t *);
int decsub(dec_t *, dec_t *, dec_t *);
int dectoasc(dec_t *, char *, int, int);
int dectodbl(dec_t *, double *);
int dectoint(dec_t *, int *);
int dectolong(dec_t *, long *);
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