code: def _get_func_name(op, args):
      if op == "ceil":
          op = "ceiling"
      if op == "sum" and len(args) > 0 and args[0]:
          op = "sumNA"
      if op == "min" and len(args) > 0 and args[0]:
          op = "minNA"
      if op == "max" and len(args) > 0 and args[0]:
          op = "maxNA"
      if op == "nacnt":
          op = "naCnt"
      return op
  
imports: from h2o.utils.compatibility import *
  import dis
  import inspect
  import sys
  from .None import h2o
  from .expr import ExprNode, ASTId
label_desc: Use image node_id 49 for calling a global function with example usage: _get_func_name(op, args) and returns: op