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)

Defined in 1 files as a function:

• tools/include/nolibc/ctype.h, line 88 (as a function)

Referenced in 53 files:

• arch/powerpc/xmon/xmon.c, line 3510
• arch/riscv/kernel/cpufeature.c, line 393
• arch/s390/kernel/ipl.c, line 726
• block/partitions/atari.c
  • line 23
  • line 23
  • line 23
• crypto/algboss.c
  • line 89
  • line 102
• drivers/acpi/osl.c, line 1382
• drivers/firmware/google/vpd.c, line 88
• drivers/isdn/capi/capiutil.c, line 431
• drivers/net/can/usb/etas_es58x/es58x_devlink.c, line 195
• drivers/net/ethernet/rocker/rocker_main.c, line 1235
• drivers/net/phy/aquantia/aquantia_hwmon.c, line 222
• drivers/net/phy/marvell.c, line 2775
• drivers/net/phy/marvell10g.c, line 294
• drivers/platform/chrome/cros_ec_lightbar.c, line 388
• drivers/platform/x86/samsung-laptop.c, line 1358
• drivers/s390/net/netiucv.c, line 1341
• drivers/tty/n_tty.c, line 998
• kernel/bpf/btf.c, line 767
• kernel/bpf/syscall.c, line 1043
• kernel/cgroup/cgroup-v1.c, line 999
• kernel/dma/debug.c, line 772
• kernel/trace/trace.c, line 3826
• kernel/trace/trace_events.c
  • line 262
  • line 2784
  • line 2795
  • line 2812
• kernel/trace/trace_events_filter.c
  • line 1527
  • line 1609
  • line 1912
• kernel/trace/trace_events_inject.c
  • line 51
  • line 86
• kernel/trace/trace_fprobe.c, line 947
• lib/bootconfig.c, line 508
• lib/kobject_uevent.c, line 104
• lib/vsprintf.c
  • line 2830
  • line 3144
  • line 3156
  • line 3319
  • line 3336
• net/netfilter/nf_conntrack_sip.c, line 91
• net/smc/smc_clc.c
  • line 71
  • line 74
• net/smc/smc_pnet.c, line 298
• scripts/asn1_compiler.c, line 418
• scripts/basic/fixdep.c
  • line 196
  • line 202
• scripts/kconfig/nconf.c, line 1058
• scripts/kconfig/preprocess.c, line 567
• scripts/unifdef.c, line 235
• security/apparmor/apparmorfs.c
  • line 121
  • line 129
• sound/core/init.c
  • line 667
  • line 694
  • line 699
  • line 794
• sound/core/jack.c, line 360
• sound/pci/hda/cs35l41_hda.c, line 160
• sound/pci/hda/cs35l56_hda.c, line 428
• sound/pci/hda/hda_generic.c, line 5644
• sound/soc/codecs/wm_adsp.c, line 775
• sound/soc/soc-core.c
  • line 1827
  • line 2088
• tools/bpf/bpftool/gen.c, line 34
• tools/include/nolibc/ctype.h, line 96
• tools/lib/bpf/libbpf.c
  • line 1796
  • line 10863
  • line 11527
• tools/perf/builtin-trace.c, line 3725
• tools/perf/util/config.c, line 142
• tools/perf/util/probe-event.c, line 233
• tools/testing/selftests/arm64/signal/testcases/testcases.c, line 248
• tools/testing/selftests/bpf/prog_tests/ctx_rewrite.c, line 500