if (IS_SYSTEM_ERROR(num))
return strerror(num & ((1 << SYSTEM_ERROR_BIT) - 1));
return para_errlist[ERRNUM_TO_SS(num)][ERRNUM_TO_INDEX(num)];
if (IS_SYSTEM_ERROR(num))
return strerror(num & ((1 << SYSTEM_ERROR_BIT) - 1));
return para_errlist[ERRNUM_TO_SS(num)][ERRNUM_TO_INDEX(num)];