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📄 a.out.h

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📄 acct.h

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📄 acrn.h

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📄 adb.h

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📄 adfs_fs.h

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📄 affs_hardblocks.h

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📄 agpgart.h

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📄 aio_abi.h

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📄 am437x-vpfe.h

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📁 android

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📄 apm_bios.h

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📄 arcfb.h

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📄 arm_sdei.h

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📄 aspeed-lpc-ctrl.h

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📄 aspeed-p2a-ctrl.h

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📄 atalk.h

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📄 atm.h

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📄 atm_eni.h

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📄 atm_he.h

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📄 atm_idt77105.h

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📄 atm_nicstar.h

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📄 atm_tcp.h

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📄 atm_zatm.h

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📄 atmapi.h

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📄 atmarp.h

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📄 atmbr2684.h

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📄 atmclip.h

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📄 atmdev.h

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📄 atmioc.h

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📄 atmlec.h

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📄 atmmpc.h

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📄 atmppp.h

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📄 atmsap.h

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📄 atmsvc.h

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📄 audit.h

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📄 auto_dev-ioctl.h

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📄 auto_fs.h

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📄 auto_fs4.h

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📄 auxvec.h

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📄 ax25.h

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📄 batadv_packet.h

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📄 batman_adv.h

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📄 baycom.h

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📄 bcm933xx_hcs.h

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📄 bfs_fs.h

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📄 binfmts.h

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📄 bits.h

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📄 blkpg.h

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📄 blktrace_api.h

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📄 blkzoned.h

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📄 bpf.h

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📄 bpf_common.h

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📄 bpf_perf_event.h

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📄 bpfilter.h

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📄 bpqether.h

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📄 bsg.h

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📄 bt-bmc.h

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📄 btf.h

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📄 btrfs.h

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📄 btrfs_tree.h

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📁 byteorder

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📄 cachefiles.h

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📁 caif

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📁 can

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📄 can.h

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📄 capability.h

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📄 capi.h

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📄 cciss_defs.h

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📄 cciss_ioctl.h

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📄 ccs.h

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📄 cdrom.h

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📄 cec-funcs.h

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📄 cec.h

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📄 cfm_bridge.h

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📄 cgroupstats.h

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📄 chio.h

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📁 cifs

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📄 close_range.h

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📄 cm4000_cs.h

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📄 cn_proc.h

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📄 coda.h

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📄 coff.h

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📄 connector.h

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📄 const.h

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📄 coresight-stm.h

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📄 cramfs_fs.h

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📄 cryptouser.h

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📄 cuda.h

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📄 cxl_mem.h

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📄 cycx_cfm.h

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📄 dcbnl.h

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📄 dccp.h

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📄 devlink.h

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📄 dlm.h

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📄 dlm_device.h

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📄 dlm_netlink.h

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📄 dlm_plock.h

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📄 dlmconstants.h

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📄 dm-ioctl.h

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📄 dm-log-userspace.h

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📄 dma-buf.h

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📄 dma-heap.h

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📄 dn.h

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📄 dns_resolver.h

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📄 dpll.h

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📄 dqblk_xfs.h

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📁 dvb

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📄 edd.h

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📄 efs_fs_sb.h

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📄 elf-em.h

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📄 elf-fdpic.h

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📄 elf.h

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📄 errno.h

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📄 errqueue.h

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📄 ethtool.h

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📄 ethtool_netlink.h

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📄 ethtool_netlink_generated.h

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📄 eventfd.h

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📄 eventpoll.h

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📄 f2fs.h

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📄 fadvise.h

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📄 falloc.h

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📄 fanotify.h

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📄 fb.h

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📄 fcntl.h

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📄 fd.h

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📄 fdreg.h

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📄 fib_rules.h

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📄 fiemap.h

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📄 filter.h

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📄 firewire-cdev.h

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📄 firewire-constants.h

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📄 fou.h

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📄 fpga-dfl.h

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📄 fs.h

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📄 fscrypt.h

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📄 fsi.h

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📄 fsl_hypervisor.h

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📄 fsl_mc.h

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📄 fsmap.h

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📄 fsverity.h

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📄 fuse.h

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📄 futex.h

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📄 gameport.h

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📄 gen_stats.h

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📄 genetlink.h

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📁 genwqe

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📄 gfs2_ondisk.h

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📄 gpio.h

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📄 gsmmux.h

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📄 gtp.h

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📄 handshake.h

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📄 hash_info.h

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📁 hdlc

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📄 hdlc.h

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📄 hdlcdrv.h

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📄 hdreg.h

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📄 hid.h

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📄 hiddev.h

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📄 hidraw.h

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📄 hpet.h

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📁 hsi

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📄 hsr_netlink.h

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📄 hw_breakpoint.h

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📄 hyperv.h

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📄 i2c-dev.h

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📄 i2c.h

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📄 icmp.h

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📄 icmpv6.h

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📄 idxd.h

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📄 if.h

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📄 if_addr.h

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📄 if_addrlabel.h

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📄 if_alg.h

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📄 if_arcnet.h

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📄 if_arp.h

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📄 if_bonding.h

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📄 if_bridge.h

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📄 if_cablemodem.h

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📄 if_eql.h

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📄 if_ether.h

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📄 if_fc.h

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📄 if_fddi.h

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📄 if_hippi.h

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📄 if_infiniband.h

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📄 if_link.h

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📄 if_ltalk.h

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📄 if_macsec.h

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📄 if_packet.h

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📄 if_phonet.h

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📄 if_plip.h

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📄 if_ppp.h

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📄 if_pppol2tp.h

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📄 if_pppox.h

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📄 if_slip.h

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📄 if_team.h

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📄 if_tun.h

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📄 if_tunnel.h

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📄 if_vlan.h

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📄 if_x25.h

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📄 if_xdp.h

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📄 ife.h

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📄 igmp.h

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📁 iio

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📄 ila.h

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📄 in.h

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📄 in6.h

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📄 in_route.h

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📄 inet_diag.h

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📄 inotify.h

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📄 input-event-codes.h

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📄 input.h

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📄 io_uring.h

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📄 ioctl.h

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📄 iommufd.h

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📄 ioprio.h

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📄 ip.h

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📄 ip6_tunnel.h

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📄 ip_vs.h

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📄 ipc.h

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📄 ipmi.h

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📄 ipmi_bmc.h

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📄 ipmi_msgdefs.h

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📄 ipmi_ssif_bmc.h

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📄 ipsec.h

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📄 ipv6.h

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📄 ipv6_route.h

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📄 ipx.h

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📄 irqnr.h

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📁 isdn

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📄 iso_fs.h

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📄 isst_if.h

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📄 ivtv.h

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📄 ivtvfb.h

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📄 jffs2.h

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📄 joystick.h

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📄 kcm.h

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📄 kcmp.h

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📄 kcov.h

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📄 kd.h

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📄 kdev_t.h

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📄 kernel-page-flags.h

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📄 kernel.h

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📄 kernelcapi.h

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📄 kexec.h

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📄 keyboard.h

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📄 keyctl.h

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📄 kfd_ioctl.h

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📄 kfd_sysfs.h

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📄 kvm.h

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📄 kvm_para.h

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📄 l2tp.h

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📄 landlock.h

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📄 libc-compat.h

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📄 limits.h

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📄 lirc.h

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📄 llc.h

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📄 loadpin.h

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📄 loop.h

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📄 lp.h

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📄 lsm.h

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📄 lwtunnel.h

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📄 magic.h

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📄 major.h

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📄 map_to_7segment.h

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📄 matroxfb.h

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📄 max2175.h

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📄 mdio.h

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📄 media-bus-format.h

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📄 media.h

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📄 mei.h

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📄 mei_uuid.h

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📄 membarrier.h

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📄 memfd.h

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📄 mempolicy.h

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📄 meye.h

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📄 mii.h

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📄 minix_fs.h

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📁 misc

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📄 mman.h

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📁 mmc

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📄 mmtimer.h

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📄 module.h

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📄 mount.h

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📄 mpls.h

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📄 mpls_iptunnel.h

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📄 mptcp.h

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📄 mptcp_pm.h

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📄 mqueue.h

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📄 mroute.h

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📄 mroute6.h

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📄 mrp_bridge.h

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📄 msdos_fs.h

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📄 msg.h

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📄 mshv.h

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📄 mtio.h

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📄 nbd-netlink.h

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📄 nbd.h

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📄 ncsi.h

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📄 ndctl.h

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📄 neighbour.h

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📄 net.h

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📄 net_dropmon.h

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📄 net_namespace.h

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📄 net_shaper.h

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📄 net_tstamp.h

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📄 netconf.h

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📄 netdev.h

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📄 netdevice.h

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📁 netfilter

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📄 netfilter.h

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📁 netfilter_arp

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📄 netfilter_arp.h

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📁 netfilter_bridge

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📄 netfilter_bridge.h

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📄 netfilter_decnet.h

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📁 netfilter_ipv4

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📄 netfilter_ipv4.h

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📁 netfilter_ipv6

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📄 netfilter_ipv6.h

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📄 netlink.h

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📄 netlink_diag.h

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📄 netrom.h

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📄 nexthop.h

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📄 nfc.h

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📄 nfs.h

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📄 nfs2.h

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📄 nfs4.h

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📄 nfs4_mount.h

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📄 nfs_fs.h

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📄 nfs_idmap.h

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📄 nfs_mount.h

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📄 nfsacl.h

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📁 nfsd

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📄 nfsd_netlink.h

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📄 nilfs2_api.h

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📄 nilfs2_ondisk.h

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📄 nitro_enclaves.h

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📄 nl80211.h

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📄 nsfs.h

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📄 nubus.h

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📄 nvme_ioctl.h

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📄 nvram.h

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📄 omap3isp.h

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📄 omapfb.h

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📄 oom.h

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📄 openat2.h

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📄 openvswitch.h

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📄 packet_diag.h

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📄 param.h

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📄 parport.h

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📄 patchkey.h

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📄 pci.h

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📄 pci_regs.h

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📄 pcitest.h

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📄 perf_event.h

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📄 personality.h

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📄 pfkeyv2.h

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📄 pg.h

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📄 phantom.h

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📄 phonet.h

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📄 pidfd.h

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📄 pkt_cls.h

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📄 pkt_sched.h

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📄 pktcdvd.h

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📄 pmu.h

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📄 poll.h

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📄 posix_acl.h

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📄 posix_acl_xattr.h

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📄 posix_types.h

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📄 ppdev.h

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📄 ppp-comp.h

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📄 ppp-ioctl.h

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📄 ppp_defs.h

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📄 pps.h

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📄 pr.h

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📄 prctl.h

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📄 psample.h

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📄 psci.h

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📄 psp-dbc.h

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📄 ptp_clock.h

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📄 ptrace.h

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📄 qemu_fw_cfg.h

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📄 qnx4_fs.h

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📄 qrtr.h

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📄 quota.h

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📄 radeonfb.h

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📁 raid

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📄 random.h

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📄 reboot.h

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📄 reiserfs_fs.h

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📄 reiserfs_xattr.h

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📄 remoteproc_cdev.h

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📄 resource.h

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📄 rfkill.h

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📄 rio_cm_cdev.h

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📄 rio_mport_cdev.h

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📄 rkisp1-config.h

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📄 romfs_fs.h

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📄 rose.h

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📄 rpl_iptunnel.h

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📄 rpmsg.h

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📄 rpmsg_types.h

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📄 rseq.h

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📄 rtnetlink.h

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📁 sched

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📄 sched.h

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📄 scif_ioctl.h

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📄 screen_info.h

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📄 sctp.h

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📄 seccomp.h

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📄 securebits.h

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📄 sed-opal.h

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📄 seg6.h

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📄 seg6_genl.h

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📄 seg6_hmac.h

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📄 seg6_iptunnel.h

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📄 seg6_local.h

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📄 selinux_netlink.h

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📄 sem.h

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📄 serial.h

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📄 serial_core.h

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📄 serial_reg.h

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📄 serio.h

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📄 sev-guest.h

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📄 shm.h

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📄 signal.h

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📄 signalfd.h

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📄 smc.h

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📄 smc_diag.h

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📄 smiapp.h

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📄 snmp.h

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📄 sock_diag.h

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📄 socket.h

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📄 sockios.h

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📄 sonypi.h

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📄 sound.h

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📁 spi

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📁 sunrpc

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📄 suspend_ioctls.h

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📄 switchtec_ioctl.h

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📄 sync_file.h

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📄 sysctl.h

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📄 sysinfo.h

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📄 target_core_user.h

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📁 tc_act

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📄 tcp.h

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📄 tcp_metrics.h

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📄 tdx-guest.h

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📄 thermal.h

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📄 time.h

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📄 time_types.h

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📄 timerfd.h

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📄 times.h

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📄 timex.h

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📄 tiocl.h

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📄 tipc_config.h

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📄 tipc_netlink.h

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📄 types.h

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📄 udf_fs_i.h

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📄 uhid.h

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📄 uleds.h

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📄 un.h

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📁 usb

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📄 usbdevice_fs.h

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📄 userfaultfd.h

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📄 utsname.h

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📄 uvcvideo.h

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📄 v4l2-common.h

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📄 v4l2-controls.h

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📄 v4l2-mediabus.h

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📄 vbox_err.h

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📄 virtio_9p.h

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📄 virtio_balloon.h

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📄 virtio_config.h

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📄 virtio_crypto.h

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📄 virtio_fs.h

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📄 virtio_gpio.h

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📄 virtio_gpu.h

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📄 virtio_input.h

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📄 virtio_iommu.h

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📄 virtio_mem.h

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📄 virtio_net.h

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📄 virtio_pci.h

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📄 virtio_pcidev.h

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📄 virtio_pmem.h

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📄 virtio_ring.h

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📄 virtio_scmi.h

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📄 virtio_scsi.h

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📄 virtio_snd.h

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📄 vm_sockets.h

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📄 vmcore.h

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📄 vtpm_proxy.h

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📄 wait.h

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✏️ Editing: map_to_7segment.h

/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*
 * Copyright (c) 2005 Henk Vergonet <Henk.Vergonet@gmail.com>
 */

#ifndef MAP_TO_7SEGMENT_H
#define MAP_TO_7SEGMENT_H

/* This file provides translation primitives and tables for the conversion
 * of (ASCII) characters to a 7-segments notation.
 *
 * The 7 segment's wikipedia notation below is used as standard.
 * See: https://en.wikipedia.org/wiki/Seven_segment_display
 *
 * Notation:	+-a-+
 *		f   b
 *		+-g-+
 *		e   c
 *		+-d-+
 *
 * Usage:
 *
 *   Register a map variable, and fill it with a character set:
 *	static SEG7_DEFAULT_MAP(map_seg7);
 *
 *
 *   Then use for conversion:
 *	seg7 = map_to_seg7(&map_seg7, some_char);
 *	...
 *
 * In device drivers it is recommended, if required, to make the char map
 * accessible via the sysfs interface using the following scheme:
 *
 * static ssize_t map_seg7_show(struct device *dev,
 *				struct device_attribute *attr, char *buf)
 * {
 *	memcpy(buf, &map_seg7, sizeof(map_seg7));
 *	return sizeof(map_seg7);
 * }
 * static ssize_t map_seg7_store(struct device *dev,
 *				 struct device_attribute *attr, const char *buf,
 *				 size_t cnt)
 * {
 *	if(cnt != sizeof(map_seg7))
 *		return -EINVAL;
 *	memcpy(&map_seg7, buf, cnt);
 *	return cnt;
 * }
 * static DEVICE_ATTR_RW(map_seg7);
 *
 * History:
 * 2005-05-31	RFC linux-kernel@vger.kernel.org
 */
#include <linux/errno.h>

#define BIT_SEG7_A		0
#define BIT_SEG7_B		1
#define BIT_SEG7_C		2
#define BIT_SEG7_D		3
#define BIT_SEG7_E		4
#define BIT_SEG7_F		5
#define BIT_SEG7_G		6
#define BIT_SEG7_RESERVED	7

struct seg7_conversion_map {
	unsigned char	table[128];
};

static __inline__ int map_to_seg7(struct seg7_conversion_map *map, int c)
{
	return c >= 0 && c < sizeof(map->table) ? map->table[c] : -EINVAL;
}

#define SEG7_CONVERSION_MAP(_name, _map)	\
	struct seg7_conversion_map _name = { .table = { _map } }

/*
 * It is recommended to use a facility that allows user space to redefine
 * custom character sets for LCD devices. Please use a sysfs interface
 * as described above.
 */
#define MAP_TO_SEG7_SYSFS_FILE	"map_seg7"

/*******************************************************************************
 * ASCII conversion table
 ******************************************************************************/

#define _MAP_0_32_ASCII_SEG7_NON_PRINTABLE	\
	0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,

#define _MAP_33_47_ASCII_SEG7_SYMBOL		\
 _SEG7('!',0,0,0,0,1,1,0), _SEG7('"',0,1,0,0,0,1,0), _SEG7('#',0,1,1,0,1,1,0),\
 _SEG7('$',1,0,1,1,0,1,1), _SEG7('%',0,0,1,0,0,1,0), _SEG7('&',1,0,1,1,1,1,1),\
 _SEG7('\'',0,0,0,0,0,1,0),_SEG7('(',1,0,0,1,1,1,0), _SEG7(')',1,1,1,1,0,0,0),\
 _SEG7('*',0,1,1,0,1,1,1), _SEG7('+',0,1,1,0,0,0,1), _SEG7(',',0,0,0,0,1,0,0),\
 _SEG7('-',0,0,0,0,0,0,1), _SEG7('.',0,0,0,0,1,0,0), _SEG7('/',0,1,0,0,1,0,1),

#define _MAP_48_57_ASCII_SEG7_NUMERIC		\
 _SEG7('0',1,1,1,1,1,1,0), _SEG7('1',0,1,1,0,0,0,0), _SEG7('2',1,1,0,1,1,0,1),\
 _SEG7('3',1,1,1,1,0,0,1), _SEG7('4',0,1,1,0,0,1,1), _SEG7('5',1,0,1,1,0,1,1),\
 _SEG7('6',1,0,1,1,1,1,1), _SEG7('7',1,1,1,0,0,0,0), _SEG7('8',1,1,1,1,1,1,1),\
 _SEG7('9',1,1,1,1,0,1,1),

#define _MAP_58_64_ASCII_SEG7_SYMBOL		\
 _SEG7(':',0,0,0,1,0,0,1), _SEG7(';',0,0,0,1,0,0,1), _SEG7('<',1,0,0,0,0,1,1),\
 _SEG7('=',0,0,0,1,0,0,1), _SEG7('>',1,1,0,0,0,0,1), _SEG7('?',1,1,1,0,0,1,0),\
 _SEG7('@',1,1,0,1,1,1,1),

#define _MAP_65_90_ASCII_SEG7_ALPHA_UPPR	\
 _SEG7('A',1,1,1,0,1,1,1), _SEG7('B',1,1,1,1,1,1,1), _SEG7('C',1,0,0,1,1,1,0),\
 _SEG7('D',1,1,1,1,1,1,0), _SEG7('E',1,0,0,1,1,1,1), _SEG7('F',1,0,0,0,1,1,1),\
 _SEG7('G',1,1,1,1,0,1,1), _SEG7('H',0,1,1,0,1,1,1), _SEG7('I',0,1,1,0,0,0,0),\
 _SEG7('J',0,1,1,1,0,0,0), _SEG7('K',0,1,1,0,1,1,1), _SEG7('L',0,0,0,1,1,1,0),\
 _SEG7('M',1,1,1,0,1,1,0), _SEG7('N',1,1,1,0,1,1,0), _SEG7('O',1,1,1,1,1,1,0),\
 _SEG7('P',1,1,0,0,1,1,1), _SEG7('Q',1,1,1,1,1,1,0), _SEG7('R',1,1,1,0,1,1,1),\
 _SEG7('S',1,0,1,1,0,1,1), _SEG7('T',0,0,0,1,1,1,1), _SEG7('U',0,1,1,1,1,1,0),\
 _SEG7('V',0,1,1,1,1,1,0), _SEG7('W',0,1,1,1,1,1,1), _SEG7('X',0,1,1,0,1,1,1),\
 _SEG7('Y',0,1,1,0,0,1,1), _SEG7('Z',1,1,0,1,1,0,1),

#define _MAP_91_96_ASCII_SEG7_SYMBOL		\
 _SEG7('[',1,0,0,1,1,1,0), _SEG7('\\',0,0,1,0,0,1,1),_SEG7(']',1,1,1,1,0,0,0),\
 _SEG7('^',1,1,0,0,0,1,0), _SEG7('_',0,0,0,1,0,0,0), _SEG7('`',0,1,0,0,0,0,0),

#define _MAP_97_122_ASCII_SEG7_ALPHA_LOWER	\
 _SEG7('A',1,1,1,0,1,1,1), _SEG7('b',0,0,1,1,1,1,1), _SEG7('c',0,0,0,1,1,0,1),\
 _SEG7('d',0,1,1,1,1,0,1), _SEG7('E',1,0,0,1,1,1,1), _SEG7('F',1,0,0,0,1,1,1),\
 _SEG7('G',1,1,1,1,0,1,1), _SEG7('h',0,0,1,0,1,1,1), _SEG7('i',0,0,1,0,0,0,0),\
 _SEG7('j',0,0,1,1,0,0,0), _SEG7('k',0,0,1,0,1,1,1), _SEG7('L',0,0,0,1,1,1,0),\
 _SEG7('M',1,1,1,0,1,1,0), _SEG7('n',0,0,1,0,1,0,1), _SEG7('o',0,0,1,1,1,0,1),\
 _SEG7('P',1,1,0,0,1,1,1), _SEG7('q',1,1,1,0,0,1,1), _SEG7('r',0,0,0,0,1,0,1),\
 _SEG7('S',1,0,1,1,0,1,1), _SEG7('T',0,0,0,1,1,1,1), _SEG7('u',0,0,1,1,1,0,0),\
 _SEG7('v',0,0,1,1,1,0,0), _SEG7('W',0,1,1,1,1,1,1), _SEG7('X',0,1,1,0,1,1,1),\
 _SEG7('y',0,1,1,1,0,1,1), _SEG7('Z',1,1,0,1,1,0,1),

#define _MAP_123_126_ASCII_SEG7_SYMBOL		\
 _SEG7('{',1,0,0,1,1,1,0), _SEG7('|',0,0,0,0,1,1,0), _SEG7('}',1,1,1,1,0,0,0),\
 _SEG7('~',1,0,0,0,0,0,0),

/* Maps */

/* This set tries to map as close as possible to the visible characteristics
 * of the ASCII symbol, lowercase and uppercase letters may differ in
 * presentation on the display.
 */
#define MAP_ASCII7SEG_ALPHANUM			\
	_MAP_0_32_ASCII_SEG7_NON_PRINTABLE	\
	_MAP_33_47_ASCII_SEG7_SYMBOL		\
	_MAP_48_57_ASCII_SEG7_NUMERIC		\
	_MAP_58_64_ASCII_SEG7_SYMBOL		\
	_MAP_65_90_ASCII_SEG7_ALPHA_UPPR	\
	_MAP_91_96_ASCII_SEG7_SYMBOL		\
	_MAP_97_122_ASCII_SEG7_ALPHA_LOWER	\
	_MAP_123_126_ASCII_SEG7_SYMBOL

/* This set tries to map as close as possible to the symbolic characteristics
 * of the ASCII character for maximum discrimination.
 * For now this means all alpha chars are in lower case representations.
 * (This for example facilitates the use of hex numbers with uppercase input.)
 */
#define MAP_ASCII7SEG_ALPHANUM_LC			\
	_MAP_0_32_ASCII_SEG7_NON_PRINTABLE	\
	_MAP_33_47_ASCII_SEG7_SYMBOL		\
	_MAP_48_57_ASCII_SEG7_NUMERIC		\
	_MAP_58_64_ASCII_SEG7_SYMBOL		\
	_MAP_97_122_ASCII_SEG7_ALPHA_LOWER	\
	_MAP_91_96_ASCII_SEG7_SYMBOL		\
	_MAP_97_122_ASCII_SEG7_ALPHA_LOWER	\
	_MAP_123_126_ASCII_SEG7_SYMBOL

#define SEG7_DEFAULT_MAP(_name)		\
	SEG7_CONVERSION_MAP(_name,MAP_ASCII7SEG_ALPHANUM)

#endif	/* MAP_TO_7SEGMENT_H */

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✏️ Editing: map_to_7segment.h