c2i
ts.tm_year = 1000*c2i(s[0]) + 100*c2i(s[1]) + 10*c2i(s[2]) + c2i(s[3])
ts.tm_mon = 10*c2i(s[4]) + c2i(s[5]) - 1;
ts.tm_mday = 10*c2i(s[6]) + c2i(s[7]);
ts.tm_hour = 10*c2i(s[8]) + c2i(s[9]);
ts.tm_min = 10*c2i(s[10]) + c2i(s[11]);
ts.tm_sec = 10*c2i(s[12]) + c2i(s[13]);