1 #define CLOCKS_PER_SEC 1000000
19 char * unsafe tm_zone;
23 char *asctime(struct tm * tm);
25 char *ctime(time_t * clock);
26 double difftime(time_t t1, time_t t2);
27 struct tm *gmtime(time_t *clock);
28 struct tm *localtime(time_t *clock);
29 time_t mktime(struct tm * tm);
30 size_t strftime(char * buf, size_t bufsize,char * fmt,struct tm *tm);
31 time_t time(time_t * tloc);