@spiceErrorCheck<EOL>def ncpos(string, chars, start):
string = stypes.stringToCharP(string)<EOL>chars = stypes.stringToCharP(chars)<EOL>start = ctypes.c_int(start)<EOL>return libspice.ncpos_c(string, chars, start)<EOL>
Find the first occurrence in a string of a character NOT belonging
to a collection of characters, starting at a specified
location searching forward.

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

:param string: Any character string.
:type string: str
:param chars: A collection of characters.
:type chars: str
:param start: Position to begin looking for one not in chars.
:type start: int
:return: index
:rtype: int