@spiceErrorCheck<EOL>def dskgtl(keywrd):
keywrd = ctypes.c_int(keywrd)<EOL>dpval  = ctypes.c_double(<NUM_LIT:0>)<EOL>libspice.dskgtl_c(keywrd, ctypes.byref(dpval))<EOL>return dpval.value<EOL>
Retrieve the value of a specified DSK tolerance or margin parameter.

https://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/dskgtl_c.html

:param keywrd: Code specifying parameter to retrieve. 
:type keywrd: int
:return: Value of parameter.
:rtype: float