def dlabbs(handle):
    """
    Begin a backward segment search in a DLA file.
    
    https://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/dlabbs_c.html
    
    :param handle: Handle of open DLA file.
    :type handle: int
    :return: Descriptor of last segment in DLA file
    :rtype: spiceypy.utils.support_types.SpiceDLADescr
    """
    handle = ctypes.c_int(handle)
    descr  = stypes.SpiceDLADescr()
    found  = ctypes.c_int()
    libspice.dlabbs_c(handle, ctypes.byref(descr), ctypes.byref(found))
    return descr, bool(found.value)
Begin a backward segment search in a DLA file.
    
    https://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/dlabbs_c.html
    
    :param handle: Handle of open DLA file.
    :type handle: int
    :return: Descriptor of last segment in DLA file
    :rtype: spiceypy.utils.support_types.SpiceDLADescr