getfield          238 lib_os.c           ts.tm_sec = getfield(L, "sec", 0);
getfield          239 lib_os.c           ts.tm_min = getfield(L, "min", 0);
getfield          240 lib_os.c           ts.tm_hour = getfield(L, "hour", 12);
getfield          241 lib_os.c           ts.tm_mday = getfield(L, "day", -1);
getfield          242 lib_os.c           ts.tm_mon = getfield(L, "month", -1) - 1;
getfield          243 lib_os.c           ts.tm_year = getfield(L, "year", -1) - 1900;