Defined in 3 files as a prototype:

• contrib/gcc/sys-protos.h, line 579 (as a prototype)
• contrib/libstdc++/include/bits/localefwd.h, line 86 (as a prototype)
• include/ctype.h, line 58 (as a prototype)

Defined in 3 files as a macro:

• include/ctype.h, line 97 (as a macro)
• sys/cddl/contrib/opensolaris/uts/common/fs/zfs/lua/lstrlib.c, line 44 (as a macro)
• sys/contrib/ncsw/inc/ctype_ext.h, line 63 (as a macro)

Defined in 3 files as a function:

• contrib/libstdc++/include/bits/locale_facets.h, line 4654 (as a function)
• lib/libc/locale/isctype.c, line 148 (as a function)
• stand/libsa/stand.h, line 247 (as a function)

Referenced in 25 files:

• contrib/apr/include/apr_lib.h, line 223
• contrib/binutils/libiberty/regex.c, line 235
• contrib/flex/flexdef.h, line 1154
• contrib/gcclibs/libiberty/regex.c, line 235
• contrib/libc++/include/ctype.h, line 51
• contrib/libgnuregex/regcomp.c, line 3565
• contrib/libstdc++/config/os/generic/ctype_inline.h, line 92
• contrib/libstdc++/config/os/windiss/ctype_inline.h, line 78
• contrib/libstdc++/include/c_compatibility/ctype.h, line 42
• contrib/libstdc++/include/c_std/std_cctype.h
  • line 61
  • line 77
• contrib/llvm/tools/clang/lib/StaticAnalyzer/Checkers/StdLibraryFunctionsChecker.cpp, line 770
• contrib/llvm/utils/TableGen/SequenceToOffsetTable.h, line 134
• contrib/lua/src/lstrlib.c, line 290
• contrib/nvi/common/multibyte.h, line 86
• contrib/one-true-awk/b.c, line 779
• contrib/sendmail/src/readcf.c
  • line 3405
  • line 3945
• contrib/tcsh/sh.char.h
  • line 262
  • line 273
• crypto/openssh/openbsd-compat/charclass.h, line 24
• gnu/usr.bin/grep/dfa.c
  • line 75
  • line 87
• gnu/usr.bin/grep/system.h, line 184
• lib/libc/locale/isctype.c, line 146
• sys/cddl/contrib/opensolaris/uts/common/fs/zfs/lua/lstrlib.c, line 303
• usr.bin/lex/initparse.c
  • line 1694
  • line 1742
• usr.bin/mail/head.c
  • line 224
  • line 228
• usr.sbin/rwhod/rwhod.c, line 341