code: def main(
      func_name,
      prefix,
      errors,
      output_format,
      ignore_deprecated,
      ignore_functions,
  ):
      """
      Main entry point. Call the validation for one or for all docstrings.
      """
      if func_name is None:
          return print_validate_all_results(
              prefix,
              errors,
              output_format,
              ignore_deprecated,
              ignore_functions,
          )
      else:
          print_validate_one_results(func_name)
          return 0
  
imports: from __future__ import annotations
  import argparse
  import doctest
  import importlib
  import json
  import os
  import pathlib
  import subprocess
  import sys
  import tempfile
  import matplotlib
  import matplotlib.pyplot
  from numpydoc.docscrape import get_doc_object
  from numpydoc.validate import Validator, validate
label_desc: Use image node_id 8 for calling a global function with example usage: main(func_name, prefix, errors, output_format, ignore_deprecated, ignore_functions) and returns: print_validate_all_results, int