Defined in 1 files as a prototype:

• include/ctype.h, line 57 (as a prototype)

Defined in 4 files as a macro:

• contrib/ntp/ntpd/refclock_parse.c, line 1627 (as a macro)
• include/ctype.h, line 96 (as a macro)
• sys/contrib/dev/acpica/include/acclib.h, line 181 (as a macro)
• sys/contrib/ncsw/inc/ctype_ext.h, line 62 (as a macro)

Defined in 3 files as a function:

• lib/libc/locale/isctype.c, line 141 (as a function)
• stand/fdt/fdt_loader_cmd.c, line 1246 (as a function)
• sys/sys/ctype.h, line 87 (as a function)

Referenced in 206 files:

• cddl/contrib/opensolaris/lib/libdtrace/common/dt_consume.c, line 1165
• cddl/contrib/opensolaris/lib/libdtrace/common/dt_print.c, 2 times
• contrib/apr/include/apr_lib.h, line 221
• contrib/apr/tools/gen_test_char.c, 3 times
• contrib/bc/src/history/history.c, line 1439
• contrib/binutils/libiberty/regex.c, 2 times
• contrib/bsnmp/gensnmptree/gensnmptree.c, 2 times
• contrib/bsnmp/snmpd/config.c, 5 times
• contrib/bsnmp/snmpd/trap.c, line 375
• contrib/byacc/error.c, line 53
• contrib/byacc/reader.c, line 1381
• contrib/dialog/inputstr.c, line 461
• contrib/diff/src/cmp.c, line 638
• contrib/diff/src/side.c, line 138
• contrib/diff/src/util.c, line 583
• contrib/ee/ee.c, 3 times
• contrib/elftoolchain/readelf/readelf.c, 5 times
• contrib/elftoolchain/strings/strings.c, line 73
• contrib/file/src/apprentice.c, line 2831
• contrib/file/src/cdf.c, line 1383
• contrib/file/src/funcs.c, 2 times
• contrib/file/src/readcdf.c, line 208
• contrib/file/src/readelf.c, 4 times
• contrib/flex/src/flexdef.h, line 1089
• contrib/flex/src/yylex.c, line 155
• contrib/gdb/gdb/ada-lang.c, line 6669
• contrib/gdb/gdb/ada-valprint.c, line 265
• contrib/gdb/gdb/expprint.c, line 786
• contrib/gdb/gdb/jv-lang.c, line 821
• contrib/gdb/gdb/monitor.c, line 191
• contrib/gdb/gdb/remote-mips.c, 2 times
• contrib/gdb/gdb/remote.c, line 4995
• contrib/gdb/gdb/serial.c, line 127
• contrib/gdb/gdb/utils.c, line 2198
• contrib/ipfilter/lib/inet_addr.c, line 85
• contrib/ipfilter/lib/ipft_hx.c, line 141
• contrib/ipfilter/lib/printbuf.c, line 27
• contrib/ipfilter/tools/ipmon.c, 2 times
• contrib/ldns/host2str.c, line 446
• contrib/less/charset.c, line 254
• contrib/libarchive/libarchive/archive_read_support_format_mtree.c, line 1055
• contrib/libarchive/tar/util.c, 2 times
• contrib/libgnuregex/regcomp.c, line 3562
• contrib/libucl/utils/chargen.c, 2 times
• contrib/libxo/encoder/cbor/enc_cbor.c, line 72
• contrib/libxo/libxo/libxo.c, line 5971
• contrib/llvm-project/compiler-rt/lib/fuzzer/FuzzerUtil.cpp, 2 times
• contrib/llvm-project/libcxx/include/ctype.h, line 49
• contrib/lua/src/lctype.h, line 87
• contrib/lua/src/luac.c, line 245
• contrib/ncurses/form/fld_pad.c, line 57
• contrib/ncurses/form/frm_driver.c, line 4523
• contrib/ncurses/menu/m_driver.c, line 444
• contrib/ncurses/menu/m_item_new.c, line 89
• contrib/ncurses/menu/m_pad.c, line 69
• contrib/ncurses/menu/m_pattern.c, line 110
• contrib/ncurses/ncurses/base/lib_addch.c, line 436
• contrib/ncurses/ncurses/base/lib_insch.c, line 86
• contrib/ncurses/ncurses/base/lib_slkset.c, line 100
• contrib/ncurses/ncurses/tinfo/captoinfo.c, line 561
• contrib/ncurses/ncurses/tinfo/comp_expand.c, 2 times
• contrib/ncurses/ncurses/tinfo/comp_scan.c, line 824
• contrib/ncurses/ncurses/trace/lib_tracechr.c, line 63
• contrib/ncurses/ncurses/tty/tty_update.c, line 259
• contrib/ncurses/progs/infocmp.c, line 1317
• contrib/ncurses/progs/tic.c, line 233
• contrib/netbsd-tests/lib/libc/regex/debug.c, line 263
• contrib/netbsd-tests/lib/libcurses/director/director.c, line 82
• contrib/ntp/ntpd/ntp_control.c, line 1844
• contrib/ntp/ntpd/refclock_gpsdjson.c, line 2195
• contrib/ntp/ntpd/refclock_jjy.c, line 4498
• contrib/ntp/ntpd/refclock_parse.c, 2 times
• contrib/ntp/ntpdate/ntpdate.c, line 2179
• contrib/ntp/ntpq/ntpq.c, 3 times
• contrib/nvi/common/key.c, line 124
• contrib/nvi/common/key.h, line 41
• contrib/nvi/common/multibyte.h, line 83
• contrib/nvi/regex/engine.c, line 1019
• contrib/ofed/infiniband-diags/src/ibdiag_common.c, line 197
• contrib/ofed/infiniband-diags/src/ibtracert.c, line 152
• contrib/ofed/opensm/complib/cl_nodenamemap.c, line 163
• contrib/one-true-awk/b.c, line 800
• contrib/openpam/bin/openpam_dump_policy/openpam_dump_policy.c, line 92
• contrib/sendmail/include/sm/conf.h, line 1703
• contrib/sendmail/libsm/util.c, 2 times
• contrib/sendmail/mail.local/mail.local.c, line 1053
• contrib/sendmail/src/daemon.c, line 1411
• contrib/sendmail/src/main.c, line 511
• contrib/sendmail/src/map.c, line 7831
• contrib/sendmail/src/parseaddr.c, line 916
• contrib/sendmail/src/queue.c, line 4712
• contrib/sendmail/src/readcf.c, 4 times
• contrib/sendmail/src/srvrsmtp.c, line 4893
• contrib/sendmail/src/tls.c, line 1717
• contrib/sendmail/src/util.c, 3 times
• contrib/sqlite3/shell.c, line 11179
• contrib/tcp_wrappers/safe_finger.c, line 113
• contrib/tcpdump/util-print.c, 3 times
• contrib/tcsh/sh.c, line 429
• contrib/tcsh/sh.char.h, 6 times
• contrib/tcsh/sh.exec.c, line 410
• contrib/tcsh/sh.print.c, line 167
• contrib/telnet/telnet/utilities.c, line 812
• contrib/telnet/telnetd/utility.c, 2 times
• contrib/unbound/dnscrypt/dnscrypt.c, line 740
• contrib/unbound/dnstap/unbound-dnstap-socket.c, line 471
• contrib/unbound/sldns/wire2str.c, 2 times
• contrib/wpa/src/eap_peer/eap.c, line 1718
• contrib/wpa/src/utils/wpa_debug.c, 2 times
• crypto/heimdal/appl/telnet/telnet/utilities.c, line 767
• crypto/heimdal/appl/telnet/telnetd/utility.c, 2 times
• crypto/heimdal/lib/asn1/asn1_print.c, line 220
• crypto/openssh/openbsd-compat/charclass.h, line 23
• crypto/openssh/regress/unittests/test_helper/fuzz.c, line 173
• crypto/openssh/sshbuf-misc.c, line 55
• crypto/openssl/apps/s_server.c, line 468
• gnu/usr.bin/grep/dfa.c, 3 times
• gnu/usr.bin/grep/quotearg.c, line 99
• gnu/usr.bin/grep/system.h, 2 times
• lib/libc/locale/isctype.c, line 139
• lib/libc/nameser/ns_print.c, line 1082
• lib/libc/nameser/ns_ttl.c, line 110
• lib/libc/regex/engine.c, line 1118
• lib/libc/regex/grot/debug.c, line 207
• lib/libc/resolv/res_debug.c, 2 times
• lib/libnetgraph/debug.c, line 349
• lib/libusb/libusb20.c, line 939
• libexec/bootpd/tools/bootptest/bootptest.c, line 481
• libexec/bootpd/tools/bootptest/print-bootp.c, line 367
• libexec/comsat/comsat.c, line 267
• libexec/talkd/process.c, line 94
• sbin/dhclient/dhclient.c, line 2786
• sbin/dhclient/options.c, 2 times
• sbin/ifconfig/ifbridge.c, line 133
• sbin/ifconfig/ifieee80211.c, line 5686
• sbin/nvmecontrol/comnd.c, 2 times
• sbin/nvmecontrol/logpage.c, line 427
• sbin/ping6/ping6.c, 2 times
• sbin/restore/interactive.c, line 588
• share/examples/ppi/ppilcd.c, 2 times
• stand/fdt/fdt_loader_cmd.c, line 1270
• sys/cam/scsi/scsi_enc_ses.c, line 1130
• sys/contrib/dev/acpica/common/acfileio.c, line 502
• sys/contrib/dev/acpica/common/dmtbdump.c, line 266
• sys/contrib/dev/acpica/compiler/aslascii.c, line 260
• sys/contrib/dev/acpica/compiler/asllistsup.c, 2 times
• sys/contrib/dev/acpica/compiler/cvparser.c, line 218
• sys/contrib/dev/acpica/compiler/dtio.c, line 993
• sys/contrib/dev/acpica/components/disassembler/dmbuffer.c, 3 times
• sys/contrib/dev/acpica/components/namespace/nsdump.c, line 234
• sys/contrib/dev/acpica/components/tables/tbprint.c, line 195
• sys/contrib/dev/acpica/components/utilities/utascii.c, line 264
• sys/contrib/dev/acpica/components/utilities/utbuffer.c, 2 times
• sys/contrib/openzfs/cmd/zdb/zdb.c, 2 times
• sys/contrib/openzfs/cmd/zdb/zdb_il.c, line 140
• sys/contrib/openzfs/cmd/zstream/zstream_dump.c, line 135
• sys/contrib/openzfs/lib/libuutil/uu_misc.c, line 277
• sys/contrib/openzfs/lib/libzfs/libzfs_pool.c, line 675
• sys/contrib/openzfs/module/lua/lctype.h, line 86
• sys/contrib/openzfs/module/os/linux/spl/spl-kmem.c, line 516
• sys/contrib/openzfs/module/zfs/spa.c, line 693
• sys/dev/acpica/acpi_battery.c, line 316
• sys/dev/an/if_an.c, line 1613
• sys/dev/bhnd/nvram/bhnd_nvram_private.h, line 70
• sys/fs/udf/osta.c, line 407
• sys/geom/geom_disk.c, line 836
• sys/geom/geom_redboot.c, line 168
• sys/geom/label/g_label.c, line 211
• sys/kgssapi/gsstest.c, line 1001
• sys/netinet/libalias/alias_nbt.c, line 295
• sys/netipsec/key_debug.c, line 344
• tests/sys/posixshm/posixshm_test.c, 2 times
• tools/regression/rpcsec_gss/rpctest.c, line 74
• tools/tools/decioctl/decioctl.c, line 82
• tools/tools/indent_wrapper/indent_wrapper.c, line 534
• tools/tools/netmap/pkt-gen.c, line 778
• usr.bin/dtc/fdt.cc, line 141
• usr.bin/finger/lprint.c, 2 times
• usr.bin/hexdump/conv.c, line 186
• usr.bin/hexdump/display.c, line 184
• usr.bin/lastcomm/lastcomm.c, line 155
• usr.bin/lex/initparse.c, 2 times
• usr.bin/mail/util.c, line 175
• usr.bin/rpcgen/rpc_scan.c, line 298
• usr.bin/sort/bwstring.c, 2 times
• usr.bin/systat/keyboard.c, line 172
• usr.bin/top/display.c, line 1090
• usr.bin/truss/syscalls.c, line 1845
• usr.sbin/acpi/acpidump/acpi.c, line 1223
• usr.sbin/bootparamd/bootparamd/bootparamd.c, line 267
• usr.sbin/bsnmpd/tools/libbsnmptools/bsnmpimport.c, line 470
• usr.sbin/bsnmpd/tools/libbsnmptools/bsnmptc.c, line 215
• usr.sbin/bsnmpd/tools/libbsnmptools/bsnmptools.c, 2 times
• usr.sbin/cxgbetool/cxgbetool.c, 8 times
• usr.sbin/efivar/efiutil.c, line 56
• usr.sbin/inetd/builtins.c, line 117
• usr.sbin/kbdcontrol/kbdcontrol.c, 7 times
• usr.sbin/lpr/common_source/displayq.c, line 75
• usr.sbin/mptutil/mpt_evt.c, 2 times
• usr.sbin/newsyslog/newsyslog.c, line 297
• usr.sbin/ngctl/main.c, line 641
• usr.sbin/nghook/main.c, line 271
• usr.sbin/ppp/log.c, 2 times
• usr.sbin/syslogd/syslogd.c, line 2498
• usr.sbin/usbconfig/usbconfig.c, line 449
• usr.sbin/vidcontrol/vidcontrol.c, line 1321