code: def is_global_var(decl):
      if not decl.kind is _KIND.VARIABLE:
          return False
      return False if decl.parent else True
  
file_path: cpython/Tools/c-analyzer/c_parser/match.py
imports: import re
  from .None import info
  from .parser._regexes import SIMPLE_TYPE
label_desc: Use image node_id 13 for calling a global function with example usage: is_global_var(decl) and returns: unknown, False