auto import from //depot/cupcake/@135843
diff --git a/sh/builtins.def b/sh/builtins.def
new file mode 100644
index 0000000..18e56c6
--- /dev/null
+++ b/sh/builtins.def
@@ -0,0 +1,94 @@
+#!/bin/sh -
+# $NetBSD: builtins.def,v 1.21 2004/07/13 15:05:59 seb Exp $
+#
+# Copyright (c) 1991, 1993
+# The Regents of the University of California. All rights reserved.
+#
+# This code is derived from software contributed to Berkeley by
+# Kenneth Almquist.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution.
+# 3. Neither the name of the University nor the names of its contributors
+# may be used to endorse or promote products derived from this software
+# without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+# @(#)builtins.def 8.4 (Berkeley) 5/4/95
+
+#
+# This file lists all the builtin commands. The first column is the name
+# of a C routine.
+# The -j flag specifies that this command is to be excluded from systems
+# without job control.
+# The -h flag specifies that this command is to be excluded from systems
+# based on the SMALL compile-time symbol.
+# The -s flag specifies that this is a posix 'special builtin' command.
+# The -u flag specifies that this is a posix 'standard utility'.
+# The rest of the line specifies the command name or names used to run
+# the command.
+
+bltincmd -u command
+bgcmd -j -u bg
+breakcmd -s break -s continue
+cdcmd -u cd chdir
+dotcmd -s .
+echocmd echo
+evalcmd -s eval
+execcmd -s exec
+exitcmd -s exit
+expcmd exp let
+exportcmd -s export -s readonly
+falsecmd -u false
+#if WITH_HISTORY
+histcmd -h -u fc
+inputrc inputrc
+#endif
+fgcmd -j -u fg
+getoptscmd -u getopts
+hashcmd hash
+jobidcmd jobid
+jobscmd -u jobs
+localcmd local
+#ifndef SMALL
+##printfcmd printf
+#endif
+pwdcmd -u pwd
+readcmd -u read
+returncmd -s return
+setcmd -s set
+setvarcmd setvar
+shiftcmd -s shift
+timescmd -s times
+trapcmd -s trap
+truecmd -s : -u true
+typecmd type
+umaskcmd -u umask
+unaliascmd -u unalias
+unsetcmd -s unset
+waitcmd -u wait
+aliascmd -u alias
+ulimitcmd ulimit
+##testcmd test [
+##killcmd -u kill # mandated by posix for 'kill %job'
+wordexpcmd wordexp
+#newgrp -u newgrp # optional command in posix
+
+#exprcmd expr