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 17 (as a function)

Referenced in 22 files:

• arch/s390/boot/ipl_parm.c, line 129
• arch/s390/kernel/debug.c, line 1490
• arch/s390/kernel/ipl.c, line 737
• drivers/atm/iphase.c, line 1000
• drivers/net/ethernet/intel/ice/ice_common.c, line 1764
• drivers/net/ethernet/pensando/ionic/ionic_main.c, line 579
• drivers/net/wireless/ath/ath10k/core.c, line 1096
• drivers/net/wireless/ath/ath10k/wmi.c, line 4589
• drivers/net/wireless/ath/ath11k/core.c, line 823
• drivers/net/wireless/intel/ipw2x00/ipw2100.c, line 636
• drivers/net/wireless/intel/ipw2x00/ipw2200.c, line 242
• fs/dlm/debug_fs.c
  • line 278
  • line 352
• fs/ksmbd/misc.c, line 258
• kernel/bpf/helpers.c, line 832
• kernel/debug/kdb/kdb_main.c, line 1585
• lib/hexdump.c, line 217
• lib/string_helpers.c
  • line 599
  • line 607
• lib/vsprintf.c, line 1776
• net/smc/af_smc.c, line 622
• scripts/dtc/yamltree.c, line 105
• tools/perf/builtin-script.c, line 1774
• tools/perf/util/debug.c, line 182