Defined in 1 files as a macro:

• include/_ctype.h, line 63 (as a macro)

Referenced in 7 files:

• include/ctype.h, line 132
• include/wctype.h, line 121
• include/xlocale/_ctype.h, line 134
• lib/libc/locale/isctype.c, line 136
• lib/libc/locale/iswctype.c, line 126
• lib/libc/locale/wctype.c, line 95
• usr.bin/localedef/ctype.c, line 70