Import macOS userland

adv_cmds-176
basic_cmds-55
bootstrap_cmds-116.100.1
developer_cmds-66
diskdev_cmds-667.40.1
doc_cmds-53.60.1
file_cmds-321.40.3
mail_cmds-35
misc_cmds-34
network_cmds-606.40.1
patch_cmds-17
remote_cmds-63
shell_cmds-216.60.1
system_cmds-880.60.2
text_cmds-106

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+.\" Copyright (c) 1991, 1993
+.\"	The Regents of the University of California.  All rights reserved.
+.\"
+.\" This code is derived from software contributed to Berkeley by
+.\" the Institute of Electrical and Electronics Engineers, Inc.
+.\"
+.\" 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. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. 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.
+.\"
+.\"     @(#)wc.1	8.2 (Berkeley) 4/19/94
+.\" $FreeBSD: src/usr.bin/wc/wc.1,v 1.23 2005/02/26 04:14:20 trhodes Exp $
+.\"
+.Dd February 23, 2005
+.Dt WC 1
+.Os
+.Sh NAME
+.Nm wc
+.Nd word, line, character, and byte count
+.Sh SYNOPSIS
+.Nm
+.Op Fl clmw
+.Op Ar
+.Sh DESCRIPTION
+The
+.Nm
+utility displays the number of lines, words, and bytes contained in each
+input
+.Ar file ,
+or standard input (if no file is specified) to the standard output.
+A line is defined as a string of characters delimited by a
+.Aq newline
+character.
+Characters beyond the final
+.Aq newline
+character will not be included
+in the line count.
+.Pp
+A word is defined as a string of characters delimited by white space
+characters.
+White space characters are the set of characters for which the
+.Xr iswspace 3
+function returns true.
+If more than one input file is specified, a line of cumulative counts
+for all the files is displayed on a separate line after the output for
+the last file.
+.Pp
+The following options are available:
+.Bl -tag -width Ds
+.It Fl c
+The number of bytes in each input file
+is written to the standard output.
+This will cancel out any prior usage of the
+.Fl m
+option.
+.It Fl l
+The number of lines in each input file
+is written to the standard output.
+.It Fl m
+The number of characters in each input file is written to the standard output.
+If the current locale does not support multibyte characters, this
+is equivalent to the
+.Fl c
+option.
+This will cancel out any prior usage of the
+.Fl c
+option.
+.It Fl w
+The number of words in each input file
+is written to the standard output.
+.El
+.Pp
+When an option is specified,
+.Nm
+only reports the information requested by that option.
+The order of output always takes the form of line, word,
+byte, and file name.
+The default action is equivalent to specifying the
+.Fl c , l
+and
+.Fl w
+options.
+.Pp
+If no files are specified, the standard input is used and no
+file name is displayed.
+The prompt will accept input until receiving EOF, or
+.Bq ^D
+in most environments.
+.Sh ENVIRONMENT
+The
+.Ev LANG , LC_ALL
+and
+.Ev LC_CTYPE
+environment variables affect the execution of
+.Nm
+as described in
+.Xr environ 7 .
+.Sh EXIT STATUS
+.Ex -std
+.Sh EXAMPLES
+Count the number of characters, words and lines in each of the files
+.Pa report1
+and
+.Pa report2
+as well as the totals for both:
+.Pp
+.Dl "wc -mlw report1 report2"
+.Sh COMPATIBILITY
+Historically, the
+.Nm
+utility was documented to define a word as a ``maximal string of
+characters delimited by <space>, <tab> or <newline> characters''.
+The implementation, however, did not handle non-printing characters
+correctly so that
+.Dq Li "  ^D^E  "
+counted as 6 spaces, while
+.Dq Li foo^D^Ebar
+counted as 8 characters.
+.Bx 4
+systems after
+.Bx 4.3
+modified the implementation to be consistent
+with the documentation.
+This implementation defines a ``word'' in terms of the
+.Xr iswspace 3
+function, as required by
+.St -p1003.2 .
+.Sh SEE ALSO
+.Xr iswspace 3
+.Sh STANDARDS
+The
+.Nm
+utility conforms to
+.St -p1003.1-2001 .
+.Sh HISTORY
+A
+.Nm
+command appeared in
+.At v1 .