code: def minimum_syscall_number(self, abi):
          
          if abi not in self.syscall_number_mapping or \
                  not self.syscall_number_mapping[abi]:
              return 0
          return min(self.syscall_number_mapping[abi])
docs: :param abi: The abi to evaluate
          :return:    The smallest syscall number known for the given abi