<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_processor_name():
 """Get the processor name. Returns ------- name : str the name of processor(host) """

    mxlen = 256
    length = ctypes.c_ulong()
    buf = ctypes.create_string_buffer(mxlen)
    _LIB.RabitGetProcessorName(buf, ctypes.byref(length), mxlen)
    return buf.value