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 91 (as a function)

Referenced in 53 files:

• arch/powerpc/xmon/xmon.c, line 3493
• arch/riscv/kernel/cpufeature.c, line 782
• arch/s390/kernel/ipl.c, line 773
• block/partitions/atari.c
  • line 23
  • line 23
  • line 23
• crypto/algboss.c
  • line 91
  • line 104
• drivers/acpi/osl.c, line 1431
• drivers/firmware/google/vpd.c, line 89
• drivers/net/can/usb/etas_es58x/es58x_devlink.c, line 195
• drivers/net/ethernet/rocker/rocker_main.c, line 1234
• drivers/net/phy/aquantia/aquantia_hwmon.c, line 202
• drivers/net/phy/marvell.c, line 3198
• drivers/net/phy/marvell10g.c, line 274
• drivers/platform/chrome/cros_ec_lightbar.c, line 443
• drivers/platform/x86/samsung-laptop.c, line 1463
• drivers/tty/n_tty.c, line 975
• kernel/bpf/btf.c, line 883
• kernel/bpf/syscall.c, line 1221
• kernel/cgroup/cgroup-v1.c, line 1021
• kernel/dma/debug.c, line 797
• kernel/trace/trace.c, line 2607
• kernel/trace/trace_events.c
  • line 264
  • line 360
  • line 422
  • line 3462
  • line 3473
  • line 3490
• kernel/trace/trace_events_filter.c
  • line 1657
  • line 1739
  • line 2042
• kernel/trace/trace_events_inject.c
  • line 51
  • line 86
• kernel/trace/trace_fprobe.c
  • line 1180
  • line 1194
• lib/bootconfig.c, line 713
• lib/kobject_uevent.c, line 104
• lib/vsprintf.c
  • line 2955
  • line 3234
  • line 3246
  • line 3393
  • line 3410
• net/netfilter/nf_conntrack_sip.c, line 85
• 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 195
  • line 201
• scripts/kconfig/nconf.c, line 1021
• scripts/kconfig/preprocess.c, line 568
• scripts/unifdef.c, line 235
• security/apparmor/apparmorfs.c
  • line 126
  • line 134
• sound/core/init.c, line 670
• sound/core/jack.c, line 359
• sound/hda/codecs/generic.c, line 5676
• sound/hda/codecs/side-codecs/cs35l41_hda.c, line 205
• sound/hda/codecs/side-codecs/cs35l56_hda.c, line 444
• sound/soc/codecs/wm_adsp.c, line 771
• sound/soc/soc-core.c
  • line 1694
  • line 1929
• tools/bpf/bpftool/gen.c, line 34
• tools/include/nolibc/ctype.h, line 99
• tools/lib/bpf/libbpf.c
  • line 1921
  • line 11778
• tools/perf/builtin-ftrace.c, line 1314
• tools/perf/builtin-trace.c
  • line 2132
  • line 4453
• tools/perf/util/config.c, line 161
• tools/perf/util/probe-event.c
  • line 238
  • line 2799
• tools/testing/selftests/arm64/signal/testcases/testcases.c, line 236
• tools/testing/selftests/bpf/prog_tests/ctx_rewrite.c, line 504
• tools/testing/selftests/mm/pfnmap.c, line 71