struct psi_number *psi_number_init(token_t t, void *num, unsigned flags);
struct psi_number *psi_number_copy(struct psi_number *exp);
void psi_number_free(struct psi_number **exp_ptr);
struct psi_number *psi_number_init(token_t t, void *num, unsigned flags);
struct psi_number *psi_number_copy(struct psi_number *exp);
void psi_number_free(struct psi_number **exp_ptr);