18c2ecf20Sopenharmony_ci#ifndef SMT_H 28c2ecf20Sopenharmony_ci#define SMT_H 1 38c2ecf20Sopenharmony_ci 48c2ecf20Sopenharmony_ciint smt_on(void); 58c2ecf20Sopenharmony_ci 68c2ecf20Sopenharmony_ci#endif 7