code: def alignof(arg):
      """Generate of FunctionCall instance for calling 'alignof'"""
      return FunctionCall(
          "alignof", [String(arg) if isinstance(arg, str) else arg]
      )
  
imports: from sympy.codegen.ast import Attribute, Declaration, Node, String, Token, Type, none, FunctionCall, CodeBlock
  from sympy.core.basic import Basic
  from sympy.core.containers import Tuple
  from sympy.core.sympify import sympify
label_desc: Use image node_id 1 for calling a global function with example usage: alignof(arg) and returns: FunctionCall