code: def llama_eval(
      ctx: llama_context_p,
      tokens,  # type: Array[llama_token]
      n_tokens: c_int,
      n_past: c_int,
      n_threads: c_int,
  ) -> int:
      return _lib.llama_eval(ctx, tokens, n_tokens, n_past, n_threads)
  
imports: import sys
  import os
  import ctypes
  from ctypes import c_int, c_float, c_char_p, c_void_p, c_bool, pointer, POINTER, _Pointer, Structure, Array, c_uint8, c_size_t
  import pathlib
  from bigdl.llm.utils.common import invalidInputError
  from bigdl.llm.utils.utils import get_shared_lib_info
label_desc: Use image node_id 18 for calling a global function with example usage: llama_eval(ctx, tokens, n_tokens, n_past, n_threads) and returns: _lib