pollution: asctime_r __attribute__((__warning__("asctime_r() is obsolete, use strftime()"))) char* asctime_r(const struct tm* restrict, char* restrict); pollution: buf pollution: ctime_r __attribute__((__warning__("ctime_r() is obsolete, use strftime()"))) char* ctime_r(const time_t* clock, char* buf); pollution: strptime char* strptime(const char* restrict, const char* restrict, struct tm* restrict); pollution: timegm time_t timegm(struct tm*); pollution: CLOCKS_PER_SEC #define CLOCKS_PER_SEC 1000000l