case _SC_XBS5_ILP32_OFF32: case _SC_XBS5_ILP32_OFFBIG: case _SC_XBS5_LP64_OFF64: case _SC_XBS5_LPBIG_OFFBIG:  case _SC_XOPEN_LEGACY: case _SC_XOPEN_REALTIME: case _SC_XOPEN_REALTIME_THREADS:
__sysconf (name)     int name;{  switch (name)    {    default:      __set_errno (EINVAL);      return -1;    case _SC_TZNAME_MAX:      return __tzname_max ();    case _SC_CHARCLASS_NAME_MAX:#ifdef	CHARCLASS_NAME_MAX      return CHARCLASS_NAME_MAX;#else      return -1;#endif    case _SC_COLL_WEIGHTS_MAX:#ifdef	COLL_WEIGHTS_MAX      return COLL_WEIGHTS_MAX;#else      return -1;#endif    case _SC_EQUIV_CLASS_MAX:#ifdef	EQUIV_CLASS_MAX      return EQUIV_CLASS_MAX;#else      return -1;#endif    case _SC_2_LOCALEDEF:#ifdef	_POSIX2_LOCALEDEF      return _POSIX2_LOCALEDEF;#else      return -1;#endif    case _SC_NPROCESSORS_CONF:      return __get_nprocs_conf ();    case _SC_NPROCESSORS_ONLN:      return __get_nprocs ();    case _SC_PHYS_PAGES:      return __get_phys_pages ();    case _SC_AVPHYS_PAGES:      return __get_avphys_pages ();    case _SC_ATEXIT_MAX:      /* We have no limit since we use lists.  */      return INT_MAX;    case _SC_PASS_MAX:      /* We have no limit but since the return value might be used to	 allocate a buffer we restrict the value.  */      return BUFSIZ;    case _SC_CHAR_BIT:      return CHAR_BIT;    case _SC_CHAR_MAX:      return CHAR_MAX;    case _SC_CHAR_MIN:      return CHAR_MIN;    case _SC_INT_MAX:      return INT_MAX;    case _SC_INT_MIN:      return INT_MIN;    case _SC_LONG_BIT:      return sizeof (long int) * CHAR_BIT;    case _SC_WORD_BIT:      return sizeof (int) * CHAR_BIT;    case _SC_MB_LEN_MAX:      return MB_LEN_MAX;    case _SC_NZERO:      return NZERO;    case _SC_SSIZE_MAX:      return _POSIX_SSIZE_MAX;    case _SC_SCHAR_MAX:      return SCHAR_MAX;    case _SC_SCHAR_MIN:      return SCHAR_MIN;    case _SC_SHRT_MAX:      return SHRT_MAX;    case _SC_SHRT_MIN:      return SHRT_MIN;    case _SC_UCHAR_MAX:      return UCHAR_MAX;    case _SC_UINT_MAX:      return UINT_MAX;    case _SC_ULONG_MAX:      return ULONG_MAX;    case _SC_USHRT_MAX:      return USHRT_MAX;    case _SC_ARG_MAX:    case _SC_CHILD_MAX:    case _SC_CLK_TCK:    case _SC_NGROUPS_MAX:    case _SC_OPEN_MAX:    case _SC_STREAM_MAX:    case _SC_JOB_CONTROL:    case _SC_SAVED_IDS:    case _SC_REALTIME_SIGNALS:    case _SC_PRIORITY_SCHEDULING:    case _SC_TIMERS:    case _SC_ASYNCHRONOUS_IO:    case _SC_PRIORITIZED_IO:    case _SC_SYNCHRONIZED_IO:    case _SC_FSYNC:    case _SC_MAPPED_FILES:    case _SC_MEMLOCK:    case _SC_MEMLOCK_RANGE:    case _SC_MEMORY_PROTECTION:    case _SC_MESSAGE_PASSING:    case _SC_SEMAPHORES:    case _SC_SHARED_MEMORY_OBJECTS:    case _SC_AIO_LISTIO_MAX:    case _SC_AIO_MAX:    case _SC_AIO_PRIO_DELTA_MAX:    case _SC_DELAYTIMER_MAX:    case _SC_MQ_OPEN_MAX:    case _SC_MQ_PRIO_MAX:    case _SC_VERSION:    case _SC_PAGESIZE:    case _SC_RTSIG_MAX:    case _SC_SEM_NSEMS_MAX:    case _SC_SEM_VALUE_MAX:    case _SC_SIGQUEUE_MAX:    case _SC_TIMER_MAX:    case _SC_PII:    case _SC_PII_XTI:    case _SC_PII_SOCKET:    case _SC_PII_OSI:    case _SC_POLL:    case _SC_SELECT:    case _SC_UIO_MAXIOV:    case _SC_PII_INTERNET_STREAM:    case _SC_PII_INTERNET_DGRAM:    case _SC_PII_OSI_COTS:    case _SC_PII_OSI_CLTS:    case _SC_PII_OSI_M:    case _SC_T_IOV_MAX:    case _SC_BC_BASE_MAX:    case _SC_BC_DIM_MAX:    case _SC_BC_SCALE_MAX:    case _SC_BC_STRING_MAX:    case _SC_EXPR_NEST_MAX:    case _SC_LINE_MAX:    case _SC_RE_DUP_MAX:    case _SC_2_VERSION:    case _SC_2_C_BIND:    case _SC_2_C_DEV:    case _SC_2_FORT_DEV:    case _SC_2_SW_DEV:    case _SC_2_CHAR_TERM:    case _SC_2_C_VERSION:    case _SC_2_UPE:    case _SC_THREADS:    case _SC_THREAD_SAFE_FUNCTIONS:    case _SC_GETGR_R_SIZE_MAX:    case _SC_GETPW_R_SIZE_MAX:    case _SC_LOGIN_NAME_MAX:    case _SC_TTY_NAME_MAX:    case _SC_THREAD_DESTRUCTOR_ITERATIONS:    case _SC_THREAD_KEYS_MAX:    case _SC_THREAD_STACK_MIN:    case _SC_THREAD_THREADS_MAX:    case _SC_THREAD_ATTR_STACKADDR:    case _SC_THREAD_ATTR_STACKSIZE:    case _SC_THREAD_PRIORITY_SCHEDULING:    case _SC_THREAD_PRIO_INHERIT:    case _SC_THREAD_PRIO_PROTECT:    case _SC_THREAD_PROCESS_SHARED:    case _SC_XOPEN_VERSION:    case _SC_XOPEN_XCU_VERSION:    case _SC_XOPEN_UNIX:    case _SC_XOPEN_CRYPT:    case _SC_XOPEN_ENH_I18N:    case _SC_XOPEN_SHM:    case _SC_XOPEN_XPG2:    case _SC_XOPEN_XPG3:    case _SC_XOPEN_XPG4:    case _SC_NL_ARGMAX:    case _SC_NL_LANGMAX:    case _SC_NL_MSGMAX:    case _SC_NL_NMAX:    case _SC_NL_SETMAX:    case _SC_NL_TEXTMAX:      break;    }  __set_errno (ENOSYS);  return -1;}