@spiceErrorCheck<EOL>def tsetyr(year):
year = ctypes.c_int(year)<EOL>libspice.tsetyr_c(year)<EOL>
Set the lower bound on the 100 year range.

Default value is 1969

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

:param year: Lower bound on the 100 year interval of expansion
:type year: int