code: def _accept(prefix):
      return prefix[:4] == MAGIC
  
file_path: pillow/src/PIL/FtexImagePlugin.py
imports: from __future__ import annotations
  import struct
  from enum import IntEnum
  from io import BytesIO
  from .None import Image, ImageFile
label_desc: Use image node_id 1 for calling a global function with example usage: _accept(prefix) and returns: unknown