Defined in 2 files as a macro:

• include/linux/ctype.h, line 37 (as a macro)
• tools/include/linux/ctype.h, line 37 (as a macro)

Defined in 1 files as a function:

• tools/include/nolibc/ctype.h, line 20 (as a function)

Referenced in 32 files:

• arch/s390/boot/ipl_parm.c, line 118
• arch/s390/kernel/debug.c, line 1735
• arch/s390/kernel/ipl.c, line 773
• drivers/acpi/battery.c, line 499
• drivers/gpu/drm/drm_ioctl.c, line 571
• drivers/net/ethernet/amd/pds_core/dev.c, line 411
• drivers/net/ethernet/intel/ice/ice_common.c, line 2006
• drivers/net/ethernet/pensando/ionic/ionic_main.c, line 643
• drivers/net/wireless/ath/ath10k/core.c, line 1126
• drivers/net/wireless/ath/ath10k/wmi.c, line 4617
• drivers/net/wireless/ath/ath11k/core.c, line 1445
• drivers/net/wireless/ath/ath12k/core.c, line 763
• drivers/net/wireless/intel/ipw2x00/ipw2100.c, line 631
• drivers/net/wireless/intel/ipw2x00/ipw2200.c, line 242
• fs/binfmt_misc.c, line 1338
• fs/dlm/debug_fs.c
  • line 279
  • line 353
• fs/smb/server/misc.c, line 272
• kernel/bpf/helpers.c
  • line 854
  • line 881
• kernel/debug/kdb/kdb_main.c, line 1501
• kernel/trace/trace_output.c
  • line 1023
  • line 1028
• kernel/trace/trace_syscalls.c
  • line 313
  • line 330
• lib/hexdump.c, line 218
• lib/string_helpers.c
  • line 613
  • line 621
• lib/vsprintf.c, line 1841
• net/smc/af_smc.c, line 695
• net/wireless/reg.c
  • line 399
  • line 400
• scripts/dtc/yamltree.c, line 105
• scripts/kallsyms.c, line 138
• sound/core/init.c, line 670
• sound/core/ump.c, line 70
• tools/perf/builtin-script.c, line 1854
• tools/perf/util/debug.c, line 207