@spiceErrorCheck<EOL>def sce2c(sc, et):
sc = ctypes.c_int(sc)<EOL>et = ctypes.c_double(et)<EOL>sclkdp = ctypes.c_double()<EOL>libspice.sce2c_c(sc, et, ctypes.byref(sclkdp))<EOL>return sclkdp.value<EOL>
Convert ephemeris seconds past J2000 (ET) to continuous encoded
spacecraft clock "ticks".  Non-integral tick values may be
returned.

http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/sce2c_c.html

:param sc: NAIF spacecraft ID code.
:type sc: int
:param et: Ephemeris time, seconds past J2000.
:type et: float
:return:
        SCLK, encoded as ticks since spacecraft clock start.
        sclkdp need not be integral.
:rtype: float