Defined in 3 files as a macro:

• drivers/tty/vt/selection.c, line 36 (as a macro)
• include/linux/ctype.h, line 33 (as a macro)
• tools/include/linux/ctype.h, line 33 (as a macro)

Referenced in 100 files:

• arch/arm64/kernel/idreg-override.c, line 169
• arch/powerpc/xmon/xmon.c, line 3448
• arch/s390/boot/string.c
  • line 27
  • line 42
• arch/s390/kernel/early.c
  • line 98
  • line 100
• arch/um/kernel/exitcode.c, line 51
• arch/x86/boot/compressed/kaslr.c, line 119
• arch/x86/kernel/cpu/common.c, line 666
• block/blk-cgroup.c, line 578
• drivers/acpi/acpica/dbinput.c
  • line 476
  • line 574
• drivers/acpi/acpica/utstrsuppt.c, line 228
• drivers/char/ipmi/ipmi_ssif.c
  • line 1365
  • line 1367
• drivers/firewire/core-device.c, line 310
• drivers/firmware/efi/libstub/efi-stub-helper.c, line 365
• drivers/firmware/efi/libstub/skip_spaces.c, line 9
• drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
  • line 92
  • line 101
  • line 118
• drivers/gpu/drm/amd/pm/amdgpu_pm.c
  • line 816
  • line 826
  • line 1492
  • line 1503
• drivers/gpu/drm/drm_mipi_dbi.c, line 1183
• drivers/ide/ide-proc.c
  • line 315
  • line 350
  • line 352
• drivers/md/dm-crypt.c, line 2419
• drivers/md/dm-table.c, line 535
• drivers/md/md.c, line 4682
• drivers/misc/kgdbts.c, line 1085
• drivers/net/bonding/bond_options.c, line 535
• drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
  • line 1458
  • line 2209
• drivers/net/wireless/marvell/mwifiex/sta_cmd.c, line 1465
• drivers/pinctrl/pinmux.c, line 709
• drivers/platform/chrome/cros_ec_lightbar.c
  • line 231
  • line 267
• drivers/platform/chrome/cros_ec_sysfs.c
  • line 71
  • line 90
• drivers/platform/chrome/wilco_ec/debugfs.c
  • line 60
  • line 68
• drivers/s390/block/dasd_proc.c, line 274
• drivers/s390/char/hmcdrv_ftp.c
  • line 122
  • line 132
• drivers/s390/cio/blacklist.c, line 373
• drivers/s390/net/netiucv.c, line 258
• drivers/s390/net/smsgiucv_app.c, line 132
• drivers/scsi/sym53c8xx_2/sym_glue.c, line 978
• drivers/ssb/sprom.c, line 46
• drivers/target/iscsi/iscsi_target_configfs.c, line 935
• drivers/tty/serial/kgdboc.c, line 175
• drivers/tty/vt/selection.c
  • line 212
  • line 241
  • line 243
  • line 251
  • line 253
  • line 279
  • line 281
  • line 284
• drivers/video/fbdev/sh_mobile_lcdcfb.c
  • line 1208
  • line 1246
  • line 1290
  • line 1326
• drivers/video/logo/pnmtologo.c, line 101
• fs/cachefiles/daemon.c, line 253
• fs/coredump.c, line 231
• kernel/bpf/helpers.c
  • line 446
  • line 772
  • line 815
  • line 880
• kernel/bpf/verifier.c, line 372
• kernel/debug/kdb/kdb_main.c
  • line 829
  • line 836
  • line 937
  • line 964
• kernel/dma/debug.c, line 749
• kernel/power/wakelock.c, line 217
• kernel/trace/trace.c
  • line 1611
  • line 1622
  • line 1630
  • line 1645
  • line 6342
• kernel/trace/trace_events.c, line 380
• kernel/trace/trace_events_filter.c
  • line 450
  • line 488
  • line 1170
  • line 1195
  • line 1212
  • line 1421
• kernel/trace/trace_events_inject.c
  • line 48
  • line 66
  • line 71
  • line 90
• kernel/user_namespace.c
  • line 972
  • line 977
  • line 982
• lib/argv_split.c
  • line 18
  • line 81
• lib/bitmap.c, line 552
• lib/bootconfig.c
  • line 431
  • line 481
• lib/cmdline.c, line 239
• lib/dynamic_debug.c, line 260
• lib/string.c
  • line 524
  • line 548
• lib/vsprintf.c
  • line 3384
  • line 3406
  • line 3412
  • line 3478
• net/core/dev.c, line 1183
• net/smc/smc_pnet.c, line 290
• net/sunrpc/sysctl.c
  • line 101
  • line 116
  • line 118
• scripts/asn1_compiler.c, line 402
• scripts/kconfig/conf.c
  • line 63
  • line 71
• scripts/kconfig/confdata.c
  • line 373
  • line 380
• scripts/kconfig/menu.c
  • line 162
  • line 164
• scripts/kconfig/nconf.gui.c, line 436
• scripts/mod/file2alias.c
  • line 363
  • line 706
• scripts/mod/sumversion.c
  • line 272
  • line 359
• scripts/unifdef.c, line 975
• security/apparmor/apparmorfs.c
  • line 116
  • line 126
• security/apparmor/lib.c, line 76
• security/apparmor/policy_unpack.c, line 505
• security/device_cgroup.c
  • line 653
  • line 695
• security/smack/smackfs.c
  • line 399
  • line 408
  • line 411
• sound/core/init.c, line 556
• sound/pci/hda/hda_sysfs.c
  • line 300
  • line 684
• sound/soc/intel/skylake/skl-nhlt.c, line 126
• tools/bootconfig/include/linux/string.h
  • line 10
  • line 25
• tools/bpf/bpftool/btf_dumper.c, line 724
• tools/bpf/bpftool/gen.c, line 253
• tools/lib/argv_split.c, line 13
• tools/lib/string.c
  • line 126
  • line 149
• tools/lib/traceevent/event-parse.c
  • line 935
  • line 1100
  • line 5092
• tools/lib/traceevent/event-utils.h
  • line 36
  • line 44
  • line 59
• tools/perf/builtin-trace.c
  • line 605
  • line 611
  • line 3781
  • line 3806
• tools/perf/pmu-events/jevents.c, line 157
• tools/perf/tests/code-reading.c
  • line 70
  • line 112
• tools/perf/ui/browsers/hists.c, line 1547
• tools/perf/util/annotate.c
  • line 569
  • line 614
• tools/perf/util/config.c
  • line 93
  • line 182
  • line 222
  • line 266
• tools/perf/util/header.c, line 416
• tools/perf/util/print_binary.c, line 54
• tools/perf/util/strfilter.c, line 53
• tools/perf/util/string.c
  • line 117
  • line 121
• tools/perf/util/symbol.c, line 2415
• tools/perf/util/time-utils.c, line 146
• tools/testing/selftests/net/psock_tpacket.c, line 778
• tools/usb/usbip/libsrc/names.c
  • line 340
  • line 347
  • line 361
  • line 366
  • line 373
  • line 390
  • line 429