@spiceErrorCheck<EOL>def scs2e(sc, sclkch):
sc = ctypes.c_int(sc)<EOL>sclkch = stypes.stringToCharP(sclkch)<EOL>et = ctypes.c_double()<EOL>libspice.scs2e_c(sc, sclkch, ctypes.byref(et))<EOL>return et.value<EOL>
Convert a spacecraft clock string to ephemeris seconds past J2000 (ET).

http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/scs2e_c.html

:param sc: NAIF integer code for a spacecraft.
:type sc: int
:param sclkch: An SCLK string.
:type sclkch: str
:return: Ephemeris time, seconds past J2000.
:rtype: float