Defined in 3 files as a macro:

• include/linux/ctype.h, line 41 (as a macro)
• tools/include/linux/ctype.h, line 41 (as a macro)
• tools/include/linux/ctype.h, line 47 (as a macro)

Defined in 4 files as a function:

• arch/x86/boot/ctype.h, line 5 (as a function)
• include/linux/ctype.h, line 43 (as a function)
• tools/include/nolibc/ctype.h, line 37 (as a function)
• tools/testing/selftests/kvm/lib/guest_sprintf.c, line 12 (as a function)

Referenced in 126 files:

• arch/arm64/kernel/pi/idreg-override.c, line 238
• arch/riscv/kernel/cpufeature.c, 8 times
• arch/s390/boot/pgm_check_info.c, line 97
• arch/s390/boot/string.c, line 85
• arch/s390/kernel/debug.c, line 1450
• arch/s390/kernel/ipl.c, line 866
• arch/um/drivers/ubd_kern.c, line 210
• arch/x86/boot/ctype.h, line 12
• arch/x86/boot/printf.c, 3 times
• arch/x86/boot/string.c, 2 times
• arch/x86/kernel/amd_gart_64.c, line 818
• arch/x86/kernel/cpu/mce/core.c, line 2330
• block/early-lookup.c, 2 times
• block/partitions/core.c, 2 times
• drivers/accessibility/speakup/i18n.c, 2 times
• drivers/accessibility/speakup/kobjects.c, 2 times
• drivers/acpi/acpica/utprint.c, 3 times
• drivers/acpi/acpica/utstrsuppt.c, line 107
• drivers/acpi/mipi-disco-img.c, 2 times
• drivers/atm/solos-pci.c, 5 times
• drivers/crypto/intel/qat/qat_common/qat_uclo.c, line 205
• drivers/edac/edac_pci_sysfs.c, line 225
• drivers/edac/fsl_ddr_edac.c, 3 times
• drivers/edac/mpc85xx_edac.c, 3 times
• drivers/edac/octeon_edac-lmc.c, line 147
• drivers/firmware/efi/libstub/gop.c, 3 times
• drivers/firmware/efi/libstub/string.c, line 146
• drivers/firmware/efi/libstub/vsprintf.c, 2 times
• drivers/gpu/drm/drm_modes.c, 3 times
• drivers/hwmon/dell-smm-hwmon.c, 3 times
• drivers/md/md.c, 2 times
• drivers/mtd/mtdsuper.c, line 133
• drivers/net/bonding/bond_options.c, line 613
• drivers/net/can/can327.c, line 420
• drivers/net/can/usb/etas_es58x/es58x_devlink.c, line 60
• drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c, line 3945
• drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c, line 1387
• drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.h, line 57
• drivers/net/team/team.c, line 418
• drivers/of/base.c, line 1834
• drivers/parisc/pdc_stable.c, 2 times
• drivers/perf/arm-ccn.c, line 456
• drivers/s390/char/sclp_cpi_sys.c, line 193
• drivers/scsi/csiostor/csio_scsi.c, line 1445
• drivers/scsi/lpfc/lpfc_attr.c, 10 times
• drivers/scsi/qla2xxx/tcm_qla2xxx.c, line 72
• drivers/scsi/scsi_transport_spi.c, line 455
• drivers/scsi/snic/snic_ctl.c, line 62
• drivers/target/sbp/sbp_target.c, line 1902
• drivers/target/target_core_fabric_lib.c, line 332
• drivers/tty/tty_io.c, line 342
• drivers/usb/gadget/epautoconf.c, line 96
• drivers/usb/gadget/legacy/raw_gadget.c, line 274
• drivers/video/fbdev/acornfb.c, line 828
• drivers/video/logo/pnmtologo.c, line 99
• fs/afs/addr_list.c, 2 times
• fs/bcachefs/util.c, 2 times
• fs/hugetlbfs/inode.c, 3 times
• fs/nfsd/nfsctl.c, line 769
• fs/smb/client/cifs_debug.c, line 1108
• fs/smb/client/cifsroot.c, line 32
• fs/ubifs/super.c, 2 times
• fs/zonefs/super.c, 2 times
• kernel/debug/kdb/kdb_main.c, 2 times
• kernel/dma/swiotlb.c, 2 times
• kernel/printk/printk.c, line 2526
• kernel/reboot.c, line 1051
• kernel/sys.c, line 1294
• kernel/sysctl.c, line 363
• kernel/trace/trace.c, line 3706
• kernel/trace/trace.h, line 2030
• kernel/trace/trace_boot.c, 2 times
• kernel/trace/trace_events.c, 2 times
• kernel/trace/trace_events_filter.c, 3 times
• kernel/trace/trace_events_hist.c, line 2454
• kernel/trace/trace_events_inject.c, line 74
• kernel/trace/trace_events_trigger.c, line 803
• kernel/trace/trace_fprobe.c, 2 times
• kernel/trace/trace_kprobe.c, line 805
• kernel/trace/trace_probe.c, 4 times
• kernel/trace/trace_uprobe.c, line 572
• lib/parser.c, line 54
• lib/vsprintf.c, 7 times
• mm/mempolicy.c, line 3181
• mm/shmem.c, line 4123
• net/netfilter/ipvs/ip_vs_ftp.c, 3 times
• net/netfilter/nf_conntrack_ftp.c, 3 times
• net/netfilter/nf_conntrack_sip.c, line 82
• net/x25/af_x25.c, line 691
• scripts/asn1_compiler.c, 2 times
• scripts/kconfig/conf.c, line 532
• scripts/kconfig/symbol.c, 2 times
• scripts/mod/modpost.c, line 1563
• scripts/unifdef.c, line 853
• security/device_cgroup.c, 4 times
• security/tomoyo/util.c, 2 times
• sound/core/init.c, line 696
• sound/pci/hda/hda_component.c, line 119
• tools/bpf/bpftool/perf.c, 2 times
• tools/iio/iio_utils.c, line 57
• tools/include/nolibc/ctype.h, 2 times
• tools/lib/perf/cpumap.c, 2 times
• tools/perf/builtin-ftrace.c, line 722
• tools/perf/builtin-top.c, line 374
• tools/perf/util/annotate.c, line 3600
• tools/perf/util/auxtrace.c, 3 times
• tools/perf/util/env.c, line 449
• tools/perf/util/jitdump.c, line 769
• tools/perf/util/machine.c, line 1255
• tools/perf/util/pmu.c, line 848
• tools/perf/util/pmus.c, line 56
• tools/perf/util/probe-event.c, line 1335
• tools/perf/util/stat-display.c, 3 times
• tools/perf/util/string.c, line 29
• tools/perf/util/synthetic-events.c, 2 times
• tools/perf/util/trace-event-parse.c, line 321
• tools/power/acpi/os_specific/service_layers/oslinuxtbl.c, line 1167
• tools/power/cpupower/utils/cpufreq-set.c, 3 times
• tools/power/x86/intel-speed-select/isst-config.c, line 2824
• tools/power/x86/turbostat/turbostat.c, line 6959
• tools/testing/selftests/kvm/lib/guest_sprintf.c, 3 times
• tools/testing/selftests/kvm/lib/test_util.c, line 49
• tools/testing/selftests/mm/khugepaged.c, line 195
• tools/tracing/latency/latency-collector.c, line 1812
• tools/tracing/rtla/src/utils.c, 3 times
• tools/usb/usbip/src/usbip_detach.c, line 44