Defined in 5 files as a prototype:

• arch/alpha/include/asm/string.h, line 51 (as a prototype)
• arch/powerpc/boot/string.h, line 7 (as a prototype)
• arch/powerpc/include/asm/string.h, line 21 (as a prototype)
• arch/x86/include/asm/string_32.h, line 13 (as a prototype)
• include/linux/string.h, line 71 (as a prototype)

Defined in 2 files as a label:

• arch/alpha/lib/strncpy.S, line 23 (as a label)
• arch/powerpc/boot/string.S, line 22 (as a label)

Defined in 6 files as a function:

• arch/m68k/include/asm/string.h, line 25 (as a function)
• arch/x86/lib/string_32.c, line 34 (as a function)
• arch/xtensa/include/asm/string.h, line 38 (as a function)
• include/linux/fortify-string.h, line 197 (as a function)
• lib/string.c, line 92 (as a function)
• tools/include/nolibc/string.h, line 272 (as a function)

Referenced in 121 files:

• arch/alpha/lib/strncpy.S, 4 times
• arch/powerpc/boot/string.S, line 21
• arch/powerpc/lib/string.S, 2 times
• arch/um/kernel/skas/uaccess.c, line 173
• arch/x86/lib/string_32.c, line 49
• drivers/acpi/acpica/utnonansi.c, line 171
• drivers/misc/lkdtm/fortify.c, 2 times
• drivers/mtd/sm_ftl.c, line 47
• drivers/net/wireless/ti/wl1251/acx.c, line 153
• drivers/staging/greybus/Documentation/firmware/firmware.c, 3 times
• drivers/target/target_core_transport.c, 4 times
• fs/xfs/scrub/symlink_repair.c, line 188
• fs/xfs/scrub/trace.h, line 983
• fs/xfs/xfs_trace.h, line 5102
• include/linux/fortify-string.h, 2 times
• lib/string.c, line 104
• lib/test_fortify/write_overflow-strncpy-src.c, line 3
• lib/test_fortify/write_overflow-strncpy.c, line 3
• lib/tests/fortify_kunit.c, 4 times
• net/ipv4/ipconfig.c, line 1693
• net/mac80211/trace.h, line 1799
• net/smc/smc_pnet.c, line 453
• samples/bpf/xdp_sample_user.h, line 56
• scripts/dtc/util.c, 2 times
• scripts/kconfig/confdata.c, 2 times
• scripts/kconfig/lxdialog/checklist.c, line 23
• scripts/kconfig/lxdialog/inputbox.c, line 43
• scripts/kconfig/lxdialog/menubox.c, line 59
• scripts/kconfig/nconf.c, line 592
• scripts/kconfig/nconf.gui.c, 2 times
• scripts/mod/modpost.c, line 1688
• scripts/mod/sumversion.c, line 317
• security/keys/encrypted-keys/ecryptfs_format.c, line 57
• tools/accounting/delaytop.c, 2 times
• tools/accounting/getdelays.c, line 389
• tools/accounting/procacct.c, 2 times
• tools/arch/x86/kcpuid/kcpuid.c, line 343
• tools/bpf/bpftool/gen.c, 4 times
• tools/bpf/bpftool/xlated_dumper.c, line 138
• tools/hv/hv_vss_daemon.c, line 185
• tools/laptop/freefall/freefall.c, line 33
• tools/leds/uledmon.c, line 34
• tools/lib/api/fs/cgroup.c, line 98
• tools/lib/bpf/skel_internal.h, line 231
• tools/lib/subcmd/parse-options.c, line 138
• tools/net/ynl/lib/ynl.c, line 657
• tools/perf/arch/x86/util/header.c, 3 times
• tools/perf/arch/x86/util/intel-pt.c, line 402
• tools/perf/arch/x86/util/perf_regs.c, line 192
• tools/perf/builtin-daemon.c, line 1439
• tools/perf/builtin-diff.c, line 257
• tools/perf/builtin-ftrace.c, line 358
• tools/perf/builtin-help.c, line 215
• tools/perf/builtin-lock.c, line 1314
• tools/perf/builtin-script.c, line 2979
• tools/perf/builtin-trace.c, line 3816
• tools/perf/tests/builtin-test.c, line 220
• tools/perf/tests/dlfilter-test.c, 2 times
• tools/perf/ui/tui/util.c, line 163
• tools/perf/util/config.c, 2 times
• tools/perf/util/data-convert-bt.c, line 279
• tools/perf/util/dso.c, line 133
• tools/perf/util/intel-pt-decoder/intel-pt-log.c, line 63
• tools/perf/util/parse-events.c, line 2428
• tools/perf/util/path.c, line 33
• tools/perf/util/s390-cpumsf.c, line 895
• tools/perf/util/symbol-elf.c, line 1103
• tools/perf/util/synthetic-events.c, 2 times
• tools/perf/util/time-utils.c, line 34
• tools/power/cpupower/bench/main.c, line 105
• tools/power/cpupower/bench/parse.c, 2 times
• tools/power/cpupower/lib/cpufreq.c, line 588
• tools/power/cpupower/lib/cpupower.c, line 198
• tools/power/cpupower/utils/idle_monitor/amd_fam14h_idle.c, 2 times
• tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c, 2 times
• tools/power/cpupower/utils/idle_monitor/rapl_monitor.c, line 58
• tools/power/x86/intel-speed-select/isst-config.c, line 1318
• tools/power/x86/turbostat/turbostat.c, 7 times
• tools/testing/selftests/arm64/fp/fp-stress.c, line 168
• tools/testing/selftests/arm64/fp/kernel-test.c, 2 times
• tools/testing/selftests/arm64/gcs/gcs-stress.c, line 172
• tools/testing/selftests/bpf/network_helpers.c, line 578
• tools/testing/selftests/bpf/prog_tests/align.c, line 636
• tools/testing/selftests/bpf/prog_tests/bpf_iter.c, line 349
• tools/testing/selftests/bpf/prog_tests/ctx_rewrite.c, 2 times
• tools/testing/selftests/bpf/prog_tests/flow_dissector.c, 2 times
• tools/testing/selftests/bpf/prog_tests/queue_stack_map.c, 2 times
• tools/testing/selftests/bpf/prog_tests/skc_to_unix_sock.c, line 37
• tools/testing/selftests/bpf/prog_tests/tc_redirect.c, line 1098
• tools/testing/selftests/bpf/test_progs.c, line 1800
• tools/testing/selftests/bpf/test_verifier.c, line 1323
• tools/testing/selftests/bpf/xdp_hw_metadata.c, 2 times
• tools/testing/selftests/bpf/xskxceiver.c, line 562
• tools/testing/selftests/cgroup/lib/cgroup_util.c, line 252
• tools/testing/selftests/coredump/stackdump_test.c, line 217
• tools/testing/selftests/landlock/fs_test.c, 2 times
• tools/testing/selftests/media_tests/media_device_open.c, line 57
• tools/testing/selftests/media_tests/media_device_test.c, line 62
• tools/testing/selftests/media_tests/video_device_test.c, line 133
• tools/testing/selftests/mm/thp_settings.c, line 345
• tools/testing/selftests/mm/write_to_hugetlbfs.c, line 92
• tools/testing/selftests/net/can/test_raw_filter.c, 2 times
• tools/testing/selftests/net/ipsec.c, 13 times
• tools/testing/selftests/net/mptcp/mptcp_diag.c, line 411
• tools/testing/selftests/net/nettest.c, line 154
• tools/testing/selftests/net/ovpn/ovpn-cli.c, line 36
• tools/testing/selftests/net/skf_net_off.c, line 68
• tools/testing/selftests/net/tcp_ao/lib/sock.c, line 231
• tools/testing/selftests/powerpc/mm/tlbie_test.c, line 638
• tools/testing/selftests/proc/proc-maps-race.c, 2 times
• tools/testing/selftests/resctrl/resctrlfs.c, line 45
• tools/testing/selftests/sync/sync.c, 2 times
• tools/thermal/tmon/tmon.c, line 233
• tools/tracing/latency/latency-collector.c, 3 times
• tools/tracing/rtla/src/timerlat_aa.c, 2 times
• tools/tracing/rtla/src/utils.c, line 702
• tools/usb/usbip/libsrc/usbip_common.c, 2 times
• tools/usb/usbip/libsrc/usbip_device_driver.c, 2 times
• tools/usb/usbip/src/usbip_attach.c, line 138
• tools/verification/rv/src/in_kernel.c, 3 times
• tools/virtio/vhost_net_test.c, 2 times