Defined in 2 files as a macro:

• include/linux/ctype.h, line 25 (as a macro)
• tools/include/linux/ctype.h, line 25 (as a macro)

Referenced in 45 files:

• arch/powerpc/xmon/xmon.c, line 3410
• arch/s390/kernel/ipl.c, line 598
• block/partitions/atari.c
  • line 23
  • line 23
  • line 23
• crypto/algboss.c
  • line 96
  • line 111
• drivers/acpi/osl.c, line 1386
• drivers/firmware/google/vpd.c, line 88
• drivers/isdn/capi/capiutil.c, line 431
• drivers/net/ethernet/rocker/rocker_main.c, line 1236
• drivers/net/phy/aquantia_hwmon.c, line 236
• drivers/net/phy/marvell.c, line 2634
• drivers/net/phy/marvell10g.c, line 250
• drivers/platform/chrome/cros_ec_lightbar.c, line 389
• drivers/platform/x86/samsung-laptop.c, line 1377
• drivers/s390/net/netiucv.c, line 1360
• drivers/tty/n_tty.c, line 1026
• kernel/bpf/btf.c, line 639
• kernel/bpf/syscall.c, line 728
• kernel/cgroup/cgroup-v1.c, line 974
• kernel/dma/debug.c, line 730
• kernel/trace/trace.c, line 3833
• kernel/trace/trace_events.c
  • line 235
  • line 2581
  • line 2592
  • line 2609
• kernel/trace/trace_events_filter.c
  • line 1174
  • line 1345
• kernel/trace/trace_events_inject.c
  • line 51
  • line 86
• lib/bootconfig.c, line 410
• lib/kobject_uevent.c, line 105
• lib/vsprintf.c
  • line 2758
  • line 3070
  • line 3082
  • line 3245
  • line 3262
• net/netfilter/nf_conntrack_sip.c, line 91
• net/smc/smc_pnet.c, line 295
• scripts/asn1_compiler.c, line 418
• scripts/basic/fixdep.c
  • line 212
  • line 218
• scripts/kconfig/nconf.c, line 1033
• scripts/kconfig/preprocess.c, line 561
• scripts/unifdef.c, line 235
• security/apparmor/apparmorfs.c
  • line 118
  • line 126
• sound/core/init.c
  • line 556
  • line 583
  • line 588
  • line 686
• sound/core/jack.c, line 353
• sound/pci/hda/hda_generic.c, line 5623
• sound/soc/soc-core.c
  • line 1493
  • line 1752
• tools/bpf/bpftool/gen.c, line 32
• tools/lib/bpf/libbpf.c, line 1391
• tools/lib/traceevent/event-parse.c
  • line 937
  • line 4398
• tools/perf/builtin-trace.c, line 3797
• tools/perf/pmu-events/jevents.c, line 766
• tools/perf/util/config.c, line 142
• tools/perf/util/probe-event.c, line 208