Defined in 2 files as a macro:

• include/linux/ctype.h, line 38 (as a macro)
• tools/perf/util/util.h, line 191 (as a macro)

Referenced in 12 files:

• arch/s390/kernel/debug.c, line 1441
• arch/s390/kernel/ipl.c
  • line 385
  • line 651
• drivers/gpu/drm/drm_fourcc.c, line 35
• drivers/net/wireless/ath/ath10k/wmi.c, line 4098
• drivers/net/wireless/intel/ipw2x00/ipw2100.c, line 662
• drivers/net/wireless/intel/ipw2x00/ipw2200.c, line 256
• drivers/staging/speakup/main.c
  • line 508
  • line 728
• fs/dlm/debug_fs.c
  • line 278
  • line 352
• kernel/debug/kdb/kdb_main.c, line 1526
• kernel/trace/bpf_trace.c, line 148
• lib/hexdump.c, line 198
• tools/perf/util/util.h, line 170