code: def _get_initial_returning(self):
          
  
          hooker = None
          if self.is_syscall:
              hooker = self.project.simos.syscall_from_addr(self.addr)
          elif self.is_simprocedure:
              hooker = self.project.hooked_by(self.addr)
          if hooker and hasattr(hooker, 'NO_RET'):
              return not hooker.NO_RET
  
          # Cannot determine
          return None
docs: Determine if this function returns or not *if it is hooked by a SimProcedure or a user hook*.
  
          :return:    True if the hooker returns, False otherwise.
          :rtype:     bool