Defined in 2 files as a macro:

• include/linux/ctype.h, line 23 (as a macro)
• tools/include/linux/ctype.h, line 23 (as a macro)

Referenced in 39 files:

• arch/powerpc/xmon/xmon.c, line 3277
• arch/s390/kernel/ipl.c, line 522
• block/partitions/atari.c
  • line 23
  • line 23
  • line 23
• crypto/algboss.c
  • line 106
  • line 121
• drivers/acpi/osl.c, line 1376
• drivers/firmware/google/vpd.c, line 88
• drivers/isdn/capi/capiutil.c, line 615
• drivers/net/ethernet/rocker/rocker_main.c, line 1233
• drivers/net/phy/aquantia_hwmon.c, line 236
• drivers/net/phy/marvell.c, line 2029
• drivers/net/phy/marvell10g.c, line 175
• drivers/platform/chrome/cros_ec_lightbar.c, line 405
• drivers/platform/x86/samsung-laptop.c, line 1378
• drivers/s390/net/netiucv.c, line 1444
• drivers/staging/isdn/gigaset/ev-layer.c, line 398
• drivers/tty/n_tty.c, line 1029
• kernel/bpf/btf.c, line 532
• kernel/bpf/syscall.c, line 480
• kernel/cgroup/cgroup-v1.c, line 970
• kernel/dma/debug.c, line 778
• kernel/trace/trace_events.c
  • line 2152
  • line 2163
  • line 2180
• kernel/trace/trace_events_filter.c
  • line 1174
  • line 1345
• lib/kobject_uevent.c, line 105
• lib/vsprintf.c
  • line 2516
  • line 2829
  • line 2841
  • line 3005
  • line 3022
• net/netfilter/nf_conntrack_sip.c, line 91
• net/smc/smc_pnet.c, line 280
• scripts/asn1_compiler.c, line 418
• scripts/basic/fixdep.c
  • line 248
  • line 254
• scripts/kconfig/nconf.c, line 1037
• scripts/kconfig/preprocess.c, line 561
• scripts/unifdef.c, line 235
• security/apparmor/apparmorfs.c
  • line 88
  • line 96
• sound/core/init.c
  • line 537
  • line 564
  • line 569
  • line 667
• sound/pci/hda/hda_generic.c, line 5675
• sound/soc/soc-core.c
  • line 1705
  • line 2092
• tools/lib/traceevent/event-parse.c
  • line 943
  • line 4364
  • line 5052
• tools/perf/pmu-events/jevents.c, line 720
• tools/perf/util/config.c, line 141
• tools/perf/util/probe-event.c, line 199