Input

 timetm

    A tm structure that expresses the local time; tm_wday and tm_yday
    are ignored on input.

 tns

    Nanoseconds since time component.

 inacctm

    A tm structure that expresses days, hours, minutes, and seconds
    of inaccuracy. If tm_yday is negative, the inaccuracy is
    considered to be infinite; tm_mday, tm_mon, tm_wday, tm_isdst,
    tm_gmtoff, and tm_zone are ignored on input.

 ins

    Nanoseconds of inaccuracy component.

 tdf

    Time differential factor to use in conversion.

    Output

 utc

    Resulting binary timestamp.