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_atomic64e.h
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_atomic_subword.h
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_bitset.h
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_blockcount.h
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_bus_dma.h
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_callout.h
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_cpuset.h
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_cscan_atomic.h
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_cscan_bus.h
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_domainset.h
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_eventhandler.h
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_ffcounter.h
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_iovec.h
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_lock.h
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_lockmgr.h
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_mutex.h
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_null.h
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_pctrie.h
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_pthreadtypes.h
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_rangeset.h
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_rmlock.h
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_rwlock.h
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_semaphore.h
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_seqc.h
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_sigset.h
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_smr.h
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_sockaddr_storage.h
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_stack.h
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_stdarg.h
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_stdint.h
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_sx.h
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_task.h
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_termios.h
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_timespec.h
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_timeval.h
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_types.h
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_ucontext.h
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_uio.h
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_umtx.h
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_unrhdr.h
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_winsize.h
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aac_ioctl.h
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abi_compat.h
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acct.h
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acl.h
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agpio.h
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aio.h
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alq.h
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apm.h
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arb.h
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assym.h
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ata.h
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atomic_common.h
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auxv.h
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backlight.h
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bio.h
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bitset.h
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bitstring.h
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blist.h
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blockcount.h
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boot.h
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buf.h
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buf_ring.h
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bufobj.h
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bus.h
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bus_dma.h
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bus_dma_internal.h
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busdma_bufalloc.h
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callout.h
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caprights.h
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capsicum.h
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cdefs.h
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cdio.h
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cdrio.h
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cfictl.h
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chio.h
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ck.h
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clock.h
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cnv.h
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compressor.h
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condvar.h
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conf.h
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cons.h
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consio.h
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copyright.h
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counter.h
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coverage.h
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cpu.h
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cpuctl.h
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cpuset.h
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csan.h
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ctf.h
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ctf_api.h
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ctype.h
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devctl.h
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devicestat.h
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devmap.h
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dirent.h
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disk
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disk.h
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disk_zone.h
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disklabel.h
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diskmbr.h
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dkstat.h
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dnv.h
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domain.h
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domainset.h
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dtrace.h
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dtrace_bsd.h
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dvdio.h
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efi.h
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efiio.h
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elf.h
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elf32.h
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elf64.h
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elf_common.h
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elf_generic.h
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endian.h
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epoch.h
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errno.h
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eui64.h
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event.h
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eventfd.h
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eventhandler.h
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eventvar.h
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exec.h
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extattr.h
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fail.h
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fbio.h
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fcntl.h
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fdcio.h
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file.h
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filedesc.h
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filio.h
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firmware.h
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fnv_hash.h
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font.h
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gmon.h
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gpio.h
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gpt.h
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gsb_crc32.h
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gtaskqueue.h
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hash.h
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hhook.h
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iconv.h
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imgact.h
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imgact_aout.h
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imgact_binmisc.h
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imgact_elf.h
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interrupt.h
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intr.h
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ioccom.h
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ioctl.h
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ioctl_compat.h
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iov.h
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iov_schema.h
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ipc.h
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ipmi.h
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jail.h
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joystick.h
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kbio.h
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kcov.h
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kdb.h
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kenv.h
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kern_prefetch.h
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kernel.h
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kerneldump.h
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khelp.h
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kobj.h
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kpilite.h
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ksem.h
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kthread.h
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ktls.h
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ktr.h
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ktr_class.h
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ktrace.h
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libkern.h
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limits.h
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link_aout.h
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link_elf.h
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linker.h
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linker_set.h
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lock.h
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lock_profile.h
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lockf.h
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lockmgr.h
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lockstat.h
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loginclass.h
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mac.h
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malloc.h
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mbuf.h
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mchain.h
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md4.h
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md5.h
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mdioctl.h
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memdesc.h
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memrange.h
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mman.h
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module.h
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module_khelp.h
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mount.h
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mouse.h
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mpt_ioctl.h
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mqueue.h
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msg.h
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msgbuf.h
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mtio.h
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mutex.h
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namei.h
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nlist_aout.h
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nv.h
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nvpair.h
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osd.h
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param.h
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pciio.h
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pcpu.h
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pctrie.h
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physmem.h
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pidctrl.h
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pipe.h
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pmc.h
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pmckern.h
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pmclog.h
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poll.h
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posix4.h
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power.h
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priority.h
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priv.h
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prng.h
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proc.h
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procctl.h
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procdesc.h
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procfs.h
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protosw.h
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ptio.h
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ptrace.h
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qmath.h
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queue.h
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racct.h
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random.h
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rangelock.h
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rangeset.h
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rctl.h
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reboot.h
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refcount.h
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regression.h
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resource.h
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resourcevar.h
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rman.h
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rmlock.h
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rtprio.h
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runq.h
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rwlock.h
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sbuf.h
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sched.h
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sdt.h
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select.h
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selinfo.h
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sem.h
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sema.h
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seqc.h
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serial.h
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sf_buf.h
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sglist.h
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shm.h
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sigio.h
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signal.h
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signalvar.h
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sleepqueue.h
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slicer.h
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smp.h
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smr.h
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smr_types.h
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snoop.h
(1014 B)
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sockbuf.h
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socket.h
(23.43 KB)
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socketvar.h
(18.75 KB)
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sockio.h
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sockopt.h
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soundcard.h
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specialfd.h
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spigenio.h
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stack.h
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stat.h
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stats.h
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statvfs.h
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stdatomic.h
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stddef.h
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stdint.h
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sx.h
(11.04 KB)
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syscall.h
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syscallsubr.h
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sysctl.h
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sysent.h
(10.82 KB)
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syslimits.h
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syslog.h
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sysproto.h
(153.38 KB)
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systm.h
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taskqueue.h
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terminal.h
(8.25 KB)
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termios.h
(151 B)
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thr.h
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tiio.h
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tim_filter.h
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time.h
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timeb.h
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timeet.h
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timeffc.h
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timepps.h
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timers.h
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times.h
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timespec.h
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timetc.h
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timex.h
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tree.h
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tslog.h
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tty.h
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ttycom.h
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ttydefaults.h
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ttydevsw.h
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ttydisc.h
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ttyhook.h
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ttyqueue.h
(5.26 KB)
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turnstile.h
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types.h
(11.64 KB)
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ucontext.h
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ucred.h
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uio.h
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umtx.h
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un.h
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unistd.h
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unpcb.h
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user.h
(21.58 KB)
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utsname.h
(2.47 KB)
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uuid.h
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vdso.h
(4.26 KB)
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vmem.h
(4.91 KB)
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vmmeter.h
(7.72 KB)
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vnode.h
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vtoc.h
(89 B)
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wait.h
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watchdog.h
(4.22 KB)
Editing: socket.h
/*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 1982, 1985, 1986, 1988, 1993, 1994 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)socket.h 8.4 (Berkeley) 2/21/94 * $FreeBSD$ */ #ifndef _SYS_SOCKET_H_ #define _SYS_SOCKET_H_ #include <sys/cdefs.h> #include <sys/_types.h> #include <sys/_iovec.h> #include <machine/_align.h> /* * Definitions related to sockets: types, address families, options. */ /* * Data types. */ #if __BSD_VISIBLE #ifndef _GID_T_DECLARED typedef __gid_t gid_t; #define _GID_T_DECLARED #endif #ifndef _OFF_T_DECLARED typedef __off_t off_t; #define _OFF_T_DECLARED #endif #ifndef _PID_T_DECLARED typedef __pid_t pid_t; #define _PID_T_DECLARED #endif #endif #ifndef _SA_FAMILY_T_DECLARED typedef __sa_family_t sa_family_t; #define _SA_FAMILY_T_DECLARED #endif #ifndef _SOCKLEN_T_DECLARED typedef __socklen_t socklen_t; #define _SOCKLEN_T_DECLARED #endif #ifndef _SSIZE_T_DECLARED typedef __ssize_t ssize_t; #define _SSIZE_T_DECLARED #endif #if __BSD_VISIBLE #ifndef _UID_T_DECLARED typedef __uid_t uid_t; #define _UID_T_DECLARED #endif #endif #ifndef _UINT32_T_DECLARED typedef __uint32_t uint32_t; #define _UINT32_T_DECLARED #endif #ifndef _UINTPTR_T_DECLARED typedef __uintptr_t uintptr_t; #define _UINTPTR_T_DECLARED #endif /* * Types */ #define SOCK_STREAM 1 /* stream socket */ #define SOCK_DGRAM 2 /* datagram socket */ #define SOCK_RAW 3 /* raw-protocol interface */ #if __BSD_VISIBLE #define SOCK_RDM 4 /* reliably-delivered message */ #endif #define SOCK_SEQPACKET 5 /* sequenced packet stream */ #if __BSD_VISIBLE /* * Creation flags, OR'ed into socket() and socketpair() type argument. */ #define SOCK_CLOEXEC 0x10000000 #define SOCK_NONBLOCK 0x20000000 #ifdef _KERNEL /* * Flags for accept1(), kern_accept4() and solisten_dequeue, in addition * to SOCK_CLOEXEC and SOCK_NONBLOCK. */ #define ACCEPT4_INHERIT 0x1 #define ACCEPT4_COMPAT 0x2 #endif /* _KERNEL */ #endif /* __BSD_VISIBLE */ /* * Option flags per-socket. */ #define SO_DEBUG 0x00000001 /* turn on debugging info recording */ #define SO_ACCEPTCONN 0x00000002 /* socket has had listen() */ #define SO_REUSEADDR 0x00000004 /* allow local address reuse */ #define SO_KEEPALIVE 0x00000008 /* keep connections alive */ #define SO_DONTROUTE 0x00000010 /* just use interface addresses */ #define SO_BROADCAST 0x00000020 /* permit sending of broadcast msgs */ #if __BSD_VISIBLE #define SO_USELOOPBACK 0x00000040 /* bypass hardware when possible */ #endif #define SO_LINGER 0x00000080 /* linger on close if data present */ #define SO_OOBINLINE 0x00000100 /* leave received OOB data in line */ #if __BSD_VISIBLE #define SO_REUSEPORT 0x00000200 /* allow local address & port reuse */ #define SO_TIMESTAMP 0x00000400 /* timestamp received dgram traffic */ #define SO_NOSIGPIPE 0x00000800 /* no SIGPIPE from EPIPE */ #define SO_ACCEPTFILTER 0x00001000 /* there is an accept filter */ #define SO_BINTIME 0x00002000 /* timestamp received dgram traffic */ #endif #define SO_NO_OFFLOAD 0x00004000 /* socket cannot be offloaded */ #define SO_NO_DDP 0x00008000 /* disable direct data placement */ #define SO_REUSEPORT_LB 0x00010000 /* reuse with load balancing */ /* * Additional options, not kept in so_options. */ #define SO_SNDBUF 0x1001 /* send buffer size */ #define SO_RCVBUF 0x1002 /* receive buffer size */ #define SO_SNDLOWAT 0x1003 /* send low-water mark */ #define SO_RCVLOWAT 0x1004 /* receive low-water mark */ #define SO_SNDTIMEO 0x1005 /* send timeout */ #define SO_RCVTIMEO 0x1006 /* receive timeout */ #define SO_ERROR 0x1007 /* get error status and clear */ #define SO_TYPE 0x1008 /* get socket type */ #if __BSD_VISIBLE #define SO_LABEL 0x1009 /* socket's MAC label */ #define SO_PEERLABEL 0x1010 /* socket's peer's MAC label */ #define SO_LISTENQLIMIT 0x1011 /* socket's backlog limit */ #define SO_LISTENQLEN 0x1012 /* socket's complete queue length */ #define SO_LISTENINCQLEN 0x1013 /* socket's incomplete queue length */ #define SO_SETFIB 0x1014 /* use this FIB to route */ #define SO_USER_COOKIE 0x1015 /* user cookie (dummynet etc.) */ #define SO_PROTOCOL 0x1016 /* get socket protocol (Linux name) */ #define SO_PROTOTYPE SO_PROTOCOL /* alias for SO_PROTOCOL (SunOS name) */ #define SO_TS_CLOCK 0x1017 /* clock type used for SO_TIMESTAMP */ #define SO_MAX_PACING_RATE 0x1018 /* socket's max TX pacing rate (Linux name) */ #define SO_DOMAIN 0x1019 /* get socket domain */ #endif #if __BSD_VISIBLE #define SO_TS_REALTIME_MICRO 0 /* microsecond resolution, realtime */ #define SO_TS_BINTIME 1 /* sub-nanosecond resolution, realtime */ #define SO_TS_REALTIME 2 /* nanosecond resolution, realtime */ #define SO_TS_MONOTONIC 3 /* nanosecond resolution, monotonic */ #define SO_TS_DEFAULT SO_TS_REALTIME_MICRO #define SO_TS_CLOCK_MAX SO_TS_MONOTONIC #endif /* * Space reserved for new socket options added by third-party vendors. * This range applies to all socket option levels. New socket options * in FreeBSD should always use an option value less than SO_VENDOR. */ #if __BSD_VISIBLE #define SO_VENDOR 0x80000000 #endif /* * Structure used for manipulating linger option. */ struct linger { int l_onoff; /* option on/off */ int l_linger; /* linger time */ }; #if __BSD_VISIBLE struct accept_filter_arg { char af_name[16]; char af_arg[256-16]; }; #endif /* * Level number for (get/set)sockopt() to apply to socket itself. */ #define SOL_SOCKET 0xffff /* options for socket level */ /* * Address families. */ #define AF_UNSPEC 0 /* unspecified */ #if __BSD_VISIBLE #define AF_LOCAL AF_UNIX /* local to host (pipes, portals) */ #endif #define AF_UNIX 1 /* standardized name for AF_LOCAL */ #define AF_INET 2 /* internetwork: UDP, TCP, etc. */ #if __BSD_VISIBLE #define AF_IMPLINK 3 /* arpanet imp addresses */ #define AF_PUP 4 /* pup protocols: e.g. BSP */ #define AF_CHAOS 5 /* mit CHAOS protocols */ #define AF_NETBIOS 6 /* SMB protocols */ #define AF_ISO 7 /* ISO protocols */ #define AF_OSI AF_ISO #define AF_ECMA 8 /* European computer manufacturers */ #define AF_DATAKIT 9 /* datakit protocols */ #define AF_CCITT 10 /* CCITT protocols, X.25 etc */ #define AF_SNA 11 /* IBM SNA */ #define AF_DECnet 12 /* DECnet */ #define AF_DLI 13 /* DEC Direct data link interface */ #define AF_LAT 14 /* LAT */ #define AF_HYLINK 15 /* NSC Hyperchannel */ #define AF_APPLETALK 16 /* Apple Talk */ #define AF_ROUTE 17 /* Internal Routing Protocol */ #define AF_LINK 18 /* Link layer interface */ #define pseudo_AF_XTP 19 /* eXpress Transfer Protocol (no AF) */ #define AF_COIP 20 /* connection-oriented IP, aka ST II */ #define AF_CNT 21 /* Computer Network Technology */ #define pseudo_AF_RTIP 22 /* Help Identify RTIP packets */ #define AF_IPX 23 /* Novell Internet Protocol */ #define AF_SIP 24 /* Simple Internet Protocol */ #define pseudo_AF_PIP 25 /* Help Identify PIP packets */ #define AF_ISDN 26 /* Integrated Services Digital Network*/ #define AF_E164 AF_ISDN /* CCITT E.164 recommendation */ #define pseudo_AF_KEY 27 /* Internal key-management function */ #endif #define AF_INET6 28 /* IPv6 */ #if __BSD_VISIBLE #define AF_NATM 29 /* native ATM access */ #define AF_ATM 30 /* ATM */ #define pseudo_AF_HDRCMPLT 31 /* Used by BPF to not rewrite headers * in interface output routine */ #define AF_NETGRAPH 32 /* Netgraph sockets */ #define AF_SLOW 33 /* 802.3ad slow protocol */ #define AF_SCLUSTER 34 /* Sitara cluster protocol */ #define AF_ARP 35 #define AF_BLUETOOTH 36 /* Bluetooth sockets */ #define AF_IEEE80211 37 /* IEEE 802.11 protocol */ #define AF_INET_SDP 40 /* OFED Socket Direct Protocol ipv4 */ #define AF_INET6_SDP 42 /* OFED Socket Direct Protocol ipv6 */ #define AF_HYPERV 43 /* HyperV sockets */ #define AF_MAX 43 /* * When allocating a new AF_ constant, please only allocate * even numbered constants for FreeBSD until 134 as odd numbered AF_ * constants 39-133 are now reserved for vendors. */ #define AF_VENDOR00 39 #define AF_VENDOR01 41 #define AF_VENDOR03 45 #define AF_VENDOR04 47 #define AF_VENDOR05 49 #define AF_VENDOR06 51 #define AF_VENDOR07 53 #define AF_VENDOR08 55 #define AF_VENDOR09 57 #define AF_VENDOR10 59 #define AF_VENDOR11 61 #define AF_VENDOR12 63 #define AF_VENDOR13 65 #define AF_VENDOR14 67 #define AF_VENDOR15 69 #define AF_VENDOR16 71 #define AF_VENDOR17 73 #define AF_VENDOR18 75 #define AF_VENDOR19 77 #define AF_VENDOR20 79 #define AF_VENDOR21 81 #define AF_VENDOR22 83 #define AF_VENDOR23 85 #define AF_VENDOR24 87 #define AF_VENDOR25 89 #define AF_VENDOR26 91 #define AF_VENDOR27 93 #define AF_VENDOR28 95 #define AF_VENDOR29 97 #define AF_VENDOR30 99 #define AF_VENDOR31 101 #define AF_VENDOR32 103 #define AF_VENDOR33 105 #define AF_VENDOR34 107 #define AF_VENDOR35 109 #define AF_VENDOR36 111 #define AF_VENDOR37 113 #define AF_VENDOR38 115 #define AF_VENDOR39 117 #define AF_VENDOR40 119 #define AF_VENDOR41 121 #define AF_VENDOR42 123 #define AF_VENDOR43 125 #define AF_VENDOR44 127 #define AF_VENDOR45 129 #define AF_VENDOR46 131 #define AF_VENDOR47 133 #endif /* * Structure used by kernel to store most * addresses. */ struct sockaddr { unsigned char sa_len; /* total length */ sa_family_t sa_family; /* address family */ char sa_data[14]; /* actually longer; address value */ }; #if __BSD_VISIBLE #define SOCK_MAXADDRLEN 255 /* longest possible addresses */ /* * Structure used by kernel to pass protocol * information in raw sockets. */ struct sockproto { unsigned short sp_family; /* address family */ unsigned short sp_protocol; /* protocol */ }; #endif #include <sys/_sockaddr_storage.h> #if __BSD_VISIBLE /* * Protocol families, same as address families for now. */ #define PF_UNSPEC AF_UNSPEC #define PF_LOCAL AF_LOCAL #define PF_UNIX PF_LOCAL /* backward compatibility */ #define PF_INET AF_INET #define PF_IMPLINK AF_IMPLINK #define PF_PUP AF_PUP #define PF_CHAOS AF_CHAOS #define PF_NETBIOS AF_NETBIOS #define PF_ISO AF_ISO #define PF_OSI AF_ISO #define PF_ECMA AF_ECMA #define PF_DATAKIT AF_DATAKIT #define PF_CCITT AF_CCITT #define PF_SNA AF_SNA #define PF_DECnet AF_DECnet #define PF_DLI AF_DLI #define PF_LAT AF_LAT #define PF_HYLINK AF_HYLINK #define PF_APPLETALK AF_APPLETALK #define PF_ROUTE AF_ROUTE #define PF_LINK AF_LINK #define PF_XTP pseudo_AF_XTP /* really just proto family, no AF */ #define PF_COIP AF_COIP #define PF_CNT AF_CNT #define PF_SIP AF_SIP #define PF_IPX AF_IPX #define PF_RTIP pseudo_AF_RTIP /* same format as AF_INET */ #define PF_PIP pseudo_AF_PIP #define PF_ISDN AF_ISDN #define PF_KEY pseudo_AF_KEY #define PF_INET6 AF_INET6 #define PF_NATM AF_NATM #define PF_ATM AF_ATM #define PF_NETGRAPH AF_NETGRAPH #define PF_SLOW AF_SLOW #define PF_SCLUSTER AF_SCLUSTER #define PF_ARP AF_ARP #define PF_BLUETOOTH AF_BLUETOOTH #define PF_IEEE80211 AF_IEEE80211 #define PF_INET_SDP AF_INET_SDP #define PF_INET6_SDP AF_INET6_SDP #define PF_MAX AF_MAX /* * Definitions for network related sysctl, CTL_NET. * * Second level is protocol family. * Third level is protocol number. * * Further levels are defined by the individual families. */ /* * PF_ROUTE - Routing table * * Three additional levels are defined: * Fourth: address family, 0 is wildcard * Fifth: type of info, defined below * Sixth: flag(s) to mask with for NET_RT_FLAGS */ #define NET_RT_DUMP 1 /* dump; may limit to a.f. */ #define NET_RT_FLAGS 2 /* by flags, e.g. RESOLVING */ #define NET_RT_IFLIST 3 /* survey interface list */ #define NET_RT_IFMALIST 4 /* return multicast address list */ #define NET_RT_IFLISTL 5 /* Survey interface list, using 'l'en * versions of msghdr structs. */ #define NET_RT_NHOP 6 /* dump routing nexthops */ #define NET_RT_NHGRP 7 /* dump routing nexthop groups */ #endif /* __BSD_VISIBLE */ /* * Maximum queue length specifiable by listen. */ #define SOMAXCONN 128 /* * Message header for recvmsg and sendmsg calls. * Used value-result for recvmsg, value only for sendmsg. */ struct msghdr { void *msg_name; /* optional address */ socklen_t msg_namelen; /* size of address */ struct iovec *msg_iov; /* scatter/gather array */ int msg_iovlen; /* # elements in msg_iov */ void *msg_control; /* ancillary data, see below */ socklen_t msg_controllen; /* ancillary data buffer len */ int msg_flags; /* flags on received message */ }; #define MSG_OOB 0x00000001 /* process out-of-band data */ #define MSG_PEEK 0x00000002 /* peek at incoming message */ #define MSG_DONTROUTE 0x00000004 /* send without using routing tables */ #define MSG_EOR 0x00000008 /* data completes record */ #define MSG_TRUNC 0x00000010 /* data discarded before delivery */ #define MSG_CTRUNC 0x00000020 /* control data lost before delivery */ #define MSG_WAITALL 0x00000040 /* wait for full request or error */ #if __BSD_VISIBLE #define MSG_DONTWAIT 0x00000080 /* this message should be nonblocking */ #define MSG_EOF 0x00000100 /* data completes connection */ /* 0x00000200 unused */ /* 0x00000400 unused */ /* 0x00000800 unused */ /* 0x00001000 unused */ #define MSG_NOTIFICATION 0x00002000 /* SCTP notification */ #define MSG_NBIO 0x00004000 /* FIONBIO mode, used by fifofs */ #define MSG_COMPAT 0x00008000 /* used in sendit() */ #endif #ifdef _KERNEL #define MSG_SOCALLBCK 0x00010000 /* for use by socket callbacks - soreceive (TCP) */ #endif #if __POSIX_VISIBLE >= 200809 #define MSG_NOSIGNAL 0x00020000 /* do not generate SIGPIPE on EOF */ #endif #if __BSD_VISIBLE #define MSG_CMSG_CLOEXEC 0x00040000 /* make received fds close-on-exec */ #define MSG_WAITFORONE 0x00080000 /* for recvmmsg() */ #endif #ifdef _KERNEL #define MSG_MORETOCOME 0x00100000 /* additional data pending */ #define MSG_TLSAPPDATA 0x00200000 /* only soreceive() app. data (TLS) */ #endif /* * Header for ancillary data objects in msg_control buffer. * Used for additional information with/about a datagram * not expressible by flags. The format is a sequence * of message elements headed by cmsghdr structures. */ struct cmsghdr { socklen_t cmsg_len; /* data byte count, including hdr */ int cmsg_level; /* originating protocol */ int cmsg_type; /* protocol-specific type */ /* followed by u_char cmsg_data[]; */ }; #if __BSD_VISIBLE /* * While we may have more groups than this, the cmsgcred struct must * be able to fit in an mbuf and we have historically supported a * maximum of 16 groups. */ #define CMGROUP_MAX 16 /* * Credentials structure, used to verify the identity of a peer * process that has sent us a message. This is allocated by the * peer process but filled in by the kernel. This prevents the * peer from lying about its identity. (Note that cmcred_groups[0] * is the effective GID.) */ struct cmsgcred { pid_t cmcred_pid; /* PID of sending process */ uid_t cmcred_uid; /* real UID of sending process */ uid_t cmcred_euid; /* effective UID of sending process */ gid_t cmcred_gid; /* real GID of sending process */ short cmcred_ngroups; /* number or groups */ gid_t cmcred_groups[CMGROUP_MAX]; /* groups */ }; /* * Socket credentials (LOCAL_CREDS). */ struct sockcred { uid_t sc_uid; /* real user id */ uid_t sc_euid; /* effective user id */ gid_t sc_gid; /* real group id */ gid_t sc_egid; /* effective group id */ int sc_ngroups; /* number of supplemental groups */ gid_t sc_groups[1]; /* variable length */ }; /* * Compute size of a sockcred structure with groups. */ #define SOCKCREDSIZE(ngrps) \ (sizeof(struct sockcred) + (sizeof(gid_t) * ((ngrps) - 1))) /* * Socket credentials (LOCAL_CREDS_PERSISTENT). */ struct sockcred2 { int sc_version; /* version of this structure */ pid_t sc_pid; /* PID of sending process */ uid_t sc_uid; /* real user id */ uid_t sc_euid; /* effective user id */ gid_t sc_gid; /* real group id */ gid_t sc_egid; /* effective group id */ int sc_ngroups; /* number of supplemental groups */ gid_t sc_groups[1]; /* variable length */ }; #define SOCKCRED2SIZE(ngrps) \ (sizeof(struct sockcred2) + (sizeof(gid_t) * ((ngrps) - 1))) #endif /* __BSD_VISIBLE */ /* given pointer to struct cmsghdr, return pointer to data */ #define CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \ _ALIGN(sizeof(struct cmsghdr))) /* given pointer to struct cmsghdr, return pointer to next cmsghdr */ #define CMSG_NXTHDR(mhdr, cmsg) \ ((char *)(cmsg) == (char *)0 ? CMSG_FIRSTHDR(mhdr) : \ ((char *)(cmsg) + _ALIGN(((struct cmsghdr *)(cmsg))->cmsg_len) + \ _ALIGN(sizeof(struct cmsghdr)) > \ (char *)(mhdr)->msg_control + (mhdr)->msg_controllen) ? \ (struct cmsghdr *)0 : \ (struct cmsghdr *)(void *)((char *)(cmsg) + \ _ALIGN(((struct cmsghdr *)(cmsg))->cmsg_len))) /* * RFC 2292 requires to check msg_controllen, in case that the kernel returns * an empty list for some reasons. */ #define CMSG_FIRSTHDR(mhdr) \ ((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \ (struct cmsghdr *)(mhdr)->msg_control : \ (struct cmsghdr *)0) #if __BSD_VISIBLE /* RFC 2292 additions */ #define CMSG_SPACE(l) (_ALIGN(sizeof(struct cmsghdr)) + _ALIGN(l)) #define CMSG_LEN(l) (_ALIGN(sizeof(struct cmsghdr)) + (l)) #endif #ifdef _KERNEL #define CMSG_ALIGN(n) _ALIGN(n) #endif /* "Socket"-level control message types: */ #define SCM_RIGHTS 0x01 /* access rights (array of int) */ #if __BSD_VISIBLE #define SCM_TIMESTAMP 0x02 /* timestamp (struct timeval) */ #define SCM_CREDS 0x03 /* process creds (struct cmsgcred) */ #define SCM_BINTIME 0x04 /* timestamp (struct bintime) */ #define SCM_REALTIME 0x05 /* timestamp (struct timespec) */ #define SCM_MONOTONIC 0x06 /* timestamp (struct timespec) */ #define SCM_TIME_INFO 0x07 /* timestamp info */ #define SCM_CREDS2 0x08 /* process creds (struct sockcred2) */ struct sock_timestamp_info { __uint32_t st_info_flags; __uint32_t st_info_pad0; __uint64_t st_info_rsv[7]; }; #define ST_INFO_HW 0x0001 /* SCM_TIMESTAMP was hw */ #define ST_INFO_HW_HPREC 0x0002 /* SCM_TIMESTAMP was hw-assisted on entrance */ #endif #if __BSD_VISIBLE /* * 4.3 compat sockaddr, move to compat file later */ struct osockaddr { unsigned short sa_family; /* address family */ char sa_data[14]; /* up to 14 bytes of direct address */ }; /* * 4.3-compat message header (move to compat file later). */ struct omsghdr { char *msg_name; /* optional address */ int msg_namelen; /* size of address */ struct iovec *msg_iov; /* scatter/gather array */ int msg_iovlen; /* # elements in msg_iov */ char *msg_accrights; /* access rights sent/received */ int msg_accrightslen; }; #endif /* * howto arguments for shutdown(2), specified by Posix.1g. */ #define SHUT_RD 0 /* shut down the reading side */ #define SHUT_WR 1 /* shut down the writing side */ #define SHUT_RDWR 2 /* shut down both sides */ #if __BSD_VISIBLE /* for SCTP */ /* we cheat and use the SHUT_XX defines for these */ #define PRU_FLUSH_RD SHUT_RD #define PRU_FLUSH_WR SHUT_WR #define PRU_FLUSH_RDWR SHUT_RDWR #endif #if __BSD_VISIBLE /* * sendfile(2) header/trailer struct */ struct sf_hdtr { struct iovec *headers; /* pointer to an array of header struct iovec's */ int hdr_cnt; /* number of header iovec's */ struct iovec *trailers; /* pointer to an array of trailer struct iovec's */ int trl_cnt; /* number of trailer iovec's */ }; /* * Sendfile-specific flag(s) */ #define SF_NODISKIO 0x00000001 #define SF_MNOWAIT 0x00000002 /* obsolete */ #define SF_SYNC 0x00000004 #define SF_USER_READAHEAD 0x00000008 #define SF_NOCACHE 0x00000010 #define SF_FLAGS(rh, flags) (((rh) << 16) | (flags)) #ifdef _KERNEL #define SF_READAHEAD(flags) ((flags) >> 16) #endif /* _KERNEL */ /* * Sendmmsg/recvmmsg specific structure(s) */ struct mmsghdr { struct msghdr msg_hdr; /* message header */ ssize_t msg_len; /* message length */ }; #endif /* __BSD_VISIBLE */ #ifndef _KERNEL #include <sys/cdefs.h> __BEGIN_DECLS int accept(int, struct sockaddr * __restrict, socklen_t * __restrict); int bind(int, const struct sockaddr *, socklen_t); int connect(int, const struct sockaddr *, socklen_t); #if __BSD_VISIBLE int accept4(int, struct sockaddr * __restrict, socklen_t * __restrict, int); int bindat(int, int, const struct sockaddr *, socklen_t); int connectat(int, int, const struct sockaddr *, socklen_t); #endif int getpeername(int, struct sockaddr * __restrict, socklen_t * __restrict); int getsockname(int, struct sockaddr * __restrict, socklen_t * __restrict); int getsockopt(int, int, int, void * __restrict, socklen_t * __restrict); int listen(int, int); ssize_t recv(int, void *, size_t, int); ssize_t recvfrom(int, void *, size_t, int, struct sockaddr * __restrict, socklen_t * __restrict); ssize_t recvmsg(int, struct msghdr *, int); #if __BSD_VISIBLE struct timespec; ssize_t recvmmsg(int, struct mmsghdr * __restrict, size_t, int, const struct timespec * __restrict); #endif ssize_t send(int, const void *, size_t, int); ssize_t sendto(int, const void *, size_t, int, const struct sockaddr *, socklen_t); ssize_t sendmsg(int, const struct msghdr *, int); #if __BSD_VISIBLE int sendfile(int, int, off_t, size_t, struct sf_hdtr *, off_t *, int); ssize_t sendmmsg(int, struct mmsghdr * __restrict, size_t, int); int setfib(int); #endif int setsockopt(int, int, int, const void *, socklen_t); int shutdown(int, int); int sockatmark(int); int socket(int, int, int); int socketpair(int, int, int, int *); __END_DECLS #endif /* !_KERNEL */ #ifdef _KERNEL struct socket; struct tcpcb *so_sototcpcb(struct socket *so); struct inpcb *so_sotoinpcb(struct socket *so); struct sockbuf *so_sockbuf_snd(struct socket *); struct sockbuf *so_sockbuf_rcv(struct socket *); int so_state_get(const struct socket *); void so_state_set(struct socket *, int); int so_options_get(const struct socket *); void so_options_set(struct socket *, int); int so_error_get(const struct socket *); void so_error_set(struct socket *, int); int so_linger_get(const struct socket *); void so_linger_set(struct socket *, int); struct protosw *so_protosw_get(const struct socket *); void so_protosw_set(struct socket *, struct protosw *); void so_sorwakeup_locked(struct socket *so); void so_sowwakeup_locked(struct socket *so); void so_sorwakeup(struct socket *so); void so_sowwakeup(struct socket *so); void so_lock(struct socket *so); void so_unlock(struct socket *so); #endif /* _KERNEL */ #endif /* !_SYS_SOCKET_H_ */
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