struct psi_token *psi_cpp_tokiter_current(struct psi_cpp *cpp);
size_t psi_cpp_tokiter_index(struct psi_cpp *cpp);
void psi_cpp_tokiter_next(struct psi_cpp *cpp);
struct psi_token *psi_cpp_tokiter_current(struct psi_cpp *cpp);
size_t psi_cpp_tokiter_index(struct psi_cpp *cpp);
void psi_cpp_tokiter_next(struct psi_cpp *cpp);