@spiceErrorCheck<EOL>def ordc(item, inset):
assert isinstance(inset, stypes.SpiceCell)<EOL>assert inset.is_char()<EOL>assert isinstance(item, str)<EOL>item = stypes.stringToCharP(item)<EOL>return libspice.ordc_c(item, ctypes.byref(inset))<EOL>
The function returns the ordinal position of any given item in a
character set.  If the item does not appear in the set, the function
returns -1.

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

:param item: An item to locate within a set.
:type item: str
:param inset: A set to search for a given item.
:type inset: SpiceCharCell
:return: the ordinal position of item within the set
:rtype: int