Defined in 2 files as a macro:

• include/linux/ctype.h, line 26 (as a macro)
• tools/include/linux/ctype.h, line 26 (as a macro)

Defined in 1 files as a function:

• tools/include/nolibc/ctype.h, line 82 (as a function)

Referenced in 31 files:

• arch/powerpc/kernel/rtas-proc.c, line 678
• arch/riscv/kernel/cpufeature.c, line 603
• arch/s390/kernel/ipl.c, line 859
• drivers/accessibility/speakup/main.c
  • line 501
  • line 733
• drivers/net/team/team_core.c, line 420
• drivers/net/wireless/marvell/mwifiex/cfg80211.c
  • line 4655
  • line 4655
• drivers/net/wireless/mediatek/mt76/mt7925/main.c
  • line 1334
  • line 1334
• drivers/net/wireless/quantenna/qtnfmac/cfg80211.c
  • line 1200
  • line 1201
• drivers/platform/mellanox/mlxbf-pmc.c, line 1634
• drivers/s390/char/sclp_cpi_sys.c, line 193
• fs/fat/namei_vfat.c, line 307
• fs/nfsd/nfsctl.c, line 791
• kernel/bpf/btf.c, line 768
• kernel/sched/isolation.c
  • line 212
  • line 236
• kernel/trace/trace.h
  • line 2129
  • line 2132
• kernel/trace/trace_events.c
  • line 2939
  • line 3021
• kernel/trace/trace_probe.c, line 1170
• lib/dynamic_debug.c, line 444
• lib/vsprintf.c
  • line 1532
  • line 1591
• net/netfilter/nf_conntrack_sip.c
  • line 71
  • line 398
  • line 1488
• net/wireless/reg.c
  • line 410
  • line 411
• scripts/asn1_compiler.c, line 411
• scripts/kconfig/lxdialog/menubox.c, line 264
• scripts/kconfig/lxdialog/util.c, line 504
• sound/core/init.c, line 699
• tools/include/nolibc/ctype.h, line 90
• tools/perf/builtin-trace.c
  • line 651
  • line 4115
  • line 4128
• tools/perf/util/config.c, line 280
• tools/perf/util/demangle-java.c, line 124
• tools/perf/util/probe-event.c
  • line 1350
  • line 1353
• tools/perf/util/probe-finder.h, line 21