Defined in 1 files as a macro:

• include/_ctype.h, line 51 (as a macro)

Referenced in 10 files:

• contrib/libstdc++/config/os/bsd/darwin/ctype_base.h, line 57
• contrib/libstdc++/config/os/bsd/freebsd/ctype_base.h, line 60
• include/ctype.h, line 92
• include/wctype.h, line 103
• include/xlocale/_ctype.h, line 127
• lib/libc/locale/isctype.c, line 87
• lib/libc/locale/iswctype.c, line 77
• lib/libc/locale/table.c
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• lib/libc/locale/wctype.c, line 84
• usr.bin/localedef/ctype.c, line 69