Adding upstream version 4.22.0.upstream/4.22.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 234 insertions, 0 deletions

diff --git a/upstream/archlinux/man1p/write.1p b/upstream/archlinux/man1p/write.1p
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+'\" et
+.TH WRITE "1P" 2017 "IEEE/The Open Group" "POSIX Programmer's Manual"
+.\"
+.SH PROLOG
+This manual page is part of the POSIX Programmer's Manual.
+The Linux implementation of this interface may differ (consult
+the corresponding Linux manual page for details of Linux behavior),
+or the interface may not be implemented on Linux.
+.\"
+.SH NAME
+write
+\(em write to another user
+.SH SYNOPSIS
+.LP
+.nf
+write \fIuser_name \fB[\fIterminal\fB]\fR
+.fi
+.SH DESCRIPTION
+The
+.IR write
+utility shall read lines from the standard input and write them
+to the terminal of the specified user. When first invoked, it shall
+write the message:
+.sp
+.RS 4
+.nf
+
+\fBMessage from \fIsender-login-id\fR (\fIsending-terminal\fR) \fB[\fIdate\fB]\fR...
+.fi
+.P
+.RE
+.P
+to
+.IR user_name .
+When it has successfully completed the connection, the sender's
+terminal shall be alerted twice to indicate that what the sender is
+typing is being written to the recipient's terminal.
+.P
+If the recipient wants to reply, this can be accomplished by typing:
+.sp
+.RS 4
+.nf
+
+write \fIsender-login-id \fB[\fIsending-terminal\fB]\fR
+.fi
+.P
+.RE
+.P
+upon receipt of the initial message. Whenever a line of input as
+delimited by an NL, EOF, or EOL special character (see the Base Definitions volume of POSIX.1\(hy2017,
+.IR "Chapter 11" ", " "General Terminal Interface")
+is accumulated while in canonical input mode, the accumulated data shall
+be written on the other user's terminal. Characters shall be processed
+as follows:
+.IP " *" 4
+Typing
+<alert>
+shall write the
+<alert>
+character to the recipient's terminal.
+.IP " *" 4
+Typing the erase and kill characters shall affect the sender's terminal
+in the manner described by the
+.BR termios
+interface in the Base Definitions volume of POSIX.1\(hy2017,
+.IR "Chapter 11" ", " "General Terminal Interface".
+.IP " *" 4
+Typing the interrupt or end-of-file characters shall cause
+.IR write
+to write an appropriate message (\c
+.BR \(dqEOT\en\(dq 
+in the POSIX locale) to the recipient's terminal and exit.
+.IP " *" 4
+Typing characters from
+.IR LC_CTYPE
+classifications
+.BR print
+or
+.BR space
+shall cause those characters to be sent to the recipient's terminal.
+.IP " *" 4
+When and only when the
+.IR stty
+.BR iexten
+local mode is enabled, the existence and processing of additional
+special control characters and multi-byte or single-byte functions is
+implementation-defined.
+.IP " *" 4
+Typing other non-printable characters shall cause
+implementation-defined sequences of printable characters to be
+written to the recipient's terminal.
+.P
+To write to a user who is logged in more than once, the
+.IR terminal
+argument can be used to indicate which terminal to write to; otherwise,
+the recipient's terminal is selected in an implementation-defined
+manner and an informational message is written to the sender's standard
+output, indicating which terminal was chosen.
+.P
+Permission to be a recipient of a
+.IR write
+message can be denied or granted by use of the
+.IR mesg
+utility. However, a user's privilege may further constrain the domain
+of accessibility of other users' terminals. The
+.IR write
+utility shall fail when the user lacks appropriate privileges to
+perform the requested action.
+.SH OPTIONS
+None.
+.SH OPERANDS
+.br
+The following operands shall be supported:
+.IP "\fIuser_name\fR" 10
+Login name of the person to whom the message shall be written. The
+application shall ensure that this operand is of the form returned by
+the
+.IR who
+utility.
+.IP "\fIterminal\fR" 10
+Terminal identification in the same format provided by the
+.IR who
+utility.
+.SH STDIN
+Lines to be copied to the recipient's terminal are read from standard
+input.
+.SH "INPUT FILES"
+None.
+.SH "ENVIRONMENT VARIABLES"
+The following environment variables shall affect the execution of
+.IR write :
+.IP "\fILANG\fP" 10
+Provide a default value for the internationalization variables that are
+unset or null. (See the Base Definitions volume of POSIX.1\(hy2017,
+.IR "Section 8.2" ", " "Internationalization Variables"
+for the precedence of internationalization variables used to determine
+the values of locale categories.)
+.IP "\fILC_ALL\fP" 10
+If set to a non-empty string value, override the values of all the
+other internationalization variables.
+.IP "\fILC_CTYPE\fP" 10
+Determine the locale for the interpretation of sequences of bytes of
+text data as characters (for example, single-byte as opposed to
+multi-byte characters in arguments and input files). If the
+recipient's locale does not use an
+.IR LC_CTYPE
+equivalent to the sender's, the results are undefined.
+.IP "\fILC_MESSAGES\fP" 10
+.br
+Determine the locale that should be used to affect the format and
+contents of diagnostic messages written to standard error and
+informative messages written to standard output.
+.IP "\fINLSPATH\fP" 10
+Determine the location of message catalogs for the processing of
+.IR LC_MESSAGES .
+.SH "ASYNCHRONOUS EVENTS"
+If an interrupt signal is received,
+.IR write
+shall write an appropriate message on the recipient's terminal and
+exit with a status of zero. It shall take the standard action for all
+other signals.
+.SH STDOUT
+An informational message shall be written to standard output if a
+recipient is logged in more than once.
+.SH STDERR
+The standard error shall be used only for diagnostic messages.
+.SH "OUTPUT FILES"
+The recipient's terminal is used for output.
+.SH "EXTENDED DESCRIPTION"
+None.
+.SH "EXIT STATUS"
+The following exit values shall be returned:
+.IP "\00" 6
+Successful completion.
+.IP >0 6
+The addressed user is not logged on or the addressed user denies
+permission.
+.SH "CONSEQUENCES OF ERRORS"
+Default.
+.LP
+.IR "The following sections are informative."
+.SH "APPLICATION USAGE"
+The
+.IR talk
+utility is considered by some users to be a more usable utility on
+full-screen terminals.
+.SH EXAMPLES
+None.
+.SH RATIONALE
+The
+.IR write
+utility was included in this volume of POSIX.1\(hy2017 since it can be implemented on all
+terminal types. The standard developers considered the
+.IR talk
+utility, which cannot be implemented on certain terminals, to be a
+``better'' communications interface. Both of these programs are in
+widespread use on historical implementations. Therefore, the standard
+developers decided that both utilities should be specified.
+.P
+The format of the terminal name is unspecified, but the descriptions of
+.IR ps ,
+.IR talk ,
+.IR who ,
+and
+.IR write
+require that they all use or accept the same format.
+.SH "FUTURE DIRECTIONS"
+None.
+.SH "SEE ALSO"
+.IR "\fImesg\fR\^",
+.IR "\fItalk\fR\^",
+.IR "\fIwho\fR\^"
+.P
+The Base Definitions volume of POSIX.1\(hy2017,
+.IR "Chapter 8" ", " "Environment Variables",
+.IR "Chapter 11" ", " "General Terminal Interface"
+.\"
+.SH COPYRIGHT
+Portions of this text are reprinted and reproduced in electronic form
+from IEEE Std 1003.1-2017, Standard for Information Technology
+-- Portable Operating System Interface (POSIX), The Open Group Base
+Specifications Issue 7, 2018 Edition,
+Copyright (C) 2018 by the Institute of
+Electrical and Electronics Engineers, Inc and The Open Group.
+In the event of any discrepancy between this version and the original IEEE and
+The Open Group Standard, the original IEEE and The Open Group Standard
+is the referee document. The original Standard can be obtained online at
+http://www.opengroup.org/unix/online.html .
+.PP
+Any typographical or formatting errors that appear
+in this page are most likely
+to have been introduced during the conversion of the source files to
+man page format. To report such errors, see
+https://www.kernel.org/doc/man-pages/reporting_bugs.html .