Defined in 6 files as a prototype:

• contrib/gcc/sys-protos.h, line 1217 (as a prototype)
• contrib/libpcap/lbl/os-sunos4.h, line 184 (as a prototype)
• contrib/tcpdump/lbl/os-sunos4.h, line 184 (as a prototype)
• contrib/tcsh/tc.os.h, line 604 (as a prototype)
• include/unistd.h, line 483 (as a prototype)
• usr.sbin/cron/cron/externs.h, line 146 (as a prototype)

Defined in 5 files as a macro:

• bin/csh/config_p.h, line 38 (as a macro)
• contrib/diff/src/system.h, line 240 (as a macro)
• contrib/gcclibs/libiberty/pex-unix.c, line 69 (as a macro)
• contrib/gdb/gdb/config/rs6000/xm-rs6000.h, line 62 (as a macro)
• gnu/usr.bin/rcs/lib/conf.h, line 328 (as a macro)

Defined in 5 files as a function:

• contrib/binutils/libiberty/vfork.c, line 19 (as a function)
• contrib/gcclibs/libiberty/msdos.c, line 2 (as a function)
• contrib/gdb/gdb/standalone.c, line 396 (as a function)
• lib/libc/arm/sys/Ovfork.S, line 48 (as a function)
• usr.sbin/cron/lib/compat.c, line 44 (as a function)

Referenced in 62 files:

• bin/mv/mv.c
  • line 398
  • line 425
• bin/rcp/util.c, line 110
• bin/sh/jobs.c, line 962
• cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/pid/tst.vfork.c, line 59
• contrib/amd/amd/info_exec.c
  • line 277
  • line 286
• contrib/blacklist/port/popenve.c, line 201
• contrib/bmake/make.h, line 446
• contrib/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc
  • line 2113
  • line 2740
• contrib/diff/src/diff3.c, line 1167
• contrib/diff/src/sdiff.c
  • line 649
  • line 1071
• contrib/diff/src/util.c, line 203
• contrib/gcc/crtstuff.c, line 66
• contrib/gcclibs/libiberty/pex-unix.c
  • line 60
  • line 375
• contrib/gdb/gdb/cli/cli-cmds.c, line 514
• contrib/gdb/gdb/fork-child.c, line 289
• contrib/gdb/gdb/ser-pipe.c, line 72
• contrib/libarchive/libarchive/filter_fork_posix.c, line 149
• contrib/llvm/tools/clang/lib/StaticAnalyzer/Checkers/CheckSecuritySyntaxOnly.cpp, line 773
• contrib/netbsd-tests/kernel/t_ptrace_wait.c
  • line 1535
  • line 1656
  • line 1736
  • line 1832
  • line 6313
• contrib/netbsd-tests/lib/libexecinfo/t_backtrace.c
  • line 113
  • line 122
  • line 134
  • line 143
  • line 158
• contrib/nvi/ex/ex_argv.c, line 721
• contrib/nvi/ex/ex_cscope.c, line 391
• contrib/nvi/ex/ex_filter.c, line 98
• contrib/nvi/ex/ex_shell.c, line 119
• contrib/sendmail/include/sm/conf.h, line 1392
• contrib/tcpdump/tcpdump.c, line 2291
• contrib/tcsh/sh.sem.c, line 481
• contrib/telnet/telnet/commands.c, line 1355
• gnu/usr.bin/gdb/gdbserver/fbsd-low.c, line 140
• gnu/usr.bin/rcs/lib/conf.h, line 327
• gnu/usr.bin/rcs/lib/rcsfnms.c, line 981
• gnu/usr.bin/rcs/lib/rcsutil.c, line 1078
• lib/libc/aarch64/sys/vfork.S
  • line 33
  • line 36
• lib/libc/amd64/sys/vfork.S, line 42
• lib/libc/arm/sys/Ovfork.S
  • line 50
  • line 55
• lib/libc/gen/popen.c, line 122
• lib/libc/gen/posix_spawn.c, line 204
• lib/libc/i386/sys/Ovfork.S, line 42
• lib/libc/mips/sys/Ovfork.S
  • line 52
  • line 55
• lib/libc/riscv/sys/vfork.S
  • line 40
  • line 44
• lib/libc/stdlib/system.c, line 74
• lib/libpam/modules/pam_exec/pam_exec.c, line 219
• lib/libproc/proc_create.c, line 142
• lib/libutil/tests/flopen_test.c, line 133
• libexec/fingerd/fingerd.c, line 200
• libexec/ftpd/popen.c, line 119
• sbin/fsck/fsck.c, line 362
• sys/compat/linux/linux_fork.c
  • line 110
  • line 111
• tests/sys/kern/ptrace_test.c, line 435
• tools/test/pthread_vfork/pthread_vfork_test.c, line 51
• tools/test/ptrace/scescx.c, line 372
• tools/tools/indent_wrapper/indent_wrapper.c, line 285
• tools/tools/syscall_timing/syscall_timing.c
  • line 586
  • line 597
  • line 652
  • line 665
• usr.bin/apply/apply.c, line 235
• usr.bin/tip/tip/cmds.c, line 939
• usr.bin/truss/setup.c, line 80
• usr.bin/xargs/xargs.c, line 577
• usr.bin/xlint/xlint/xlint.c, line 728
• usr.sbin/cron/cron/do_command.c, line 208
• usr.sbin/cron/cron/popen.c, line 114
• usr.sbin/cxgbetool/cxgbetool.c, line 2319
• usr.sbin/ppp/exec.c, line 305