#ifndef LIBC_TIME_H_ #define LIBC_TIME_H_ struct mytm { int tm_sec; int tm_min; int tm_hour; int tm_mday; int tm_mon; int tm_year; }; int __secs_to_tm(long long t, struct mytm *tm); long long __tm_to_secs(const struct mytm *tm); #endif /* LIBC_TIME_H_ */