Defined in 2 files as a macro:

• include/linux/ctype.h, line 39 (as a macro)
• tools/include/linux/ctype.h, line 40 (as a macro)

Referenced in 14 files:

• arch/s390/boot/ipl_parm.c, line 84
• arch/s390/kernel/debug.c, line 1391
• arch/s390/kernel/ipl.c, line 584
• drivers/gpu/drm/drm_fourcc.c, line 35
• drivers/net/ethernet/intel/ice/ice_common.c, line 1411
• drivers/net/wireless/ath/ath10k/core.c, line 995
• drivers/net/wireless/ath/ath10k/wmi.c, line 4584
• drivers/net/wireless/intel/ipw2x00/ipw2100.c, line 648
• drivers/net/wireless/intel/ipw2x00/ipw2200.c, line 242
• fs/dlm/debug_fs.c
  • line 276
  • line 350
• kernel/debug/kdb/kdb_main.c, line 1544
• kernel/trace/bpf_trace.c
  • line 428
  • line 617
• lib/hexdump.c, line 195
• scripts/dtc/yamltree.c, line 104