Input

 timesp

    A timespec structure that expresses time since 1970-01-
    01:00:00:00.0+0:00I0.

 inaccsp

    A timespec structure that expresses inaccuracy. If tv_sec is set
    to a value of -1, the inaccuracy is considered to be infinite.

 tdf

    TDF component of the binary timestamp.

    Output

 utc

    Resulting binary timestamp.