def pcklof(filename):
    """
    Load a binary PCK file for use by the readers.  Return the
    handle of the loaded file which is used by other PCK routines to
    refer to the file.

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

    :param filename: Name of the file to be loaded.
    :type filename: str
    :return: Loaded file's handle.
    :rtype: int
    """
    filename = stypes.stringToCharP(filename)
    handle = ctypes.c_int()
    libspice.pcklof_c(filename, ctypes.byref(handle))
    return handle.value
Load a binary PCK file for use by the readers.  Return the
    handle of the loaded file which is used by other PCK routines to
    refer to the file.

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

    :param filename: Name of the file to be loaded.
    :type filename: str
    :return: Loaded file's handle.
    :rtype: int