mirror of https://github.com/mkerrisk/man-pages
128 lines
2.9 KiB
Groff
128 lines
2.9 KiB
Groff
|
.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved
|
||
|
.TH "LINK" P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual"
|
||
|
.\" link
|
||
|
.SH NAME
|
||
|
link \- call link function
|
||
|
.SH SYNOPSIS
|
||
|
.LP
|
||
|
\fBlink\fP \fIfile1 file2\fP\fB\fP
|
||
|
.SH DESCRIPTION
|
||
|
.LP
|
||
|
The \fIlink\fP utility shall perform the function call:
|
||
|
.sp
|
||
|
.RS
|
||
|
.nf
|
||
|
|
||
|
\fBlink(\fP\fIfile1\fP\fB,\fP \fIfile2\fP\fB);
|
||
|
\fP
|
||
|
.fi
|
||
|
.RE
|
||
|
.LP
|
||
|
A user may need appropriate privilege to invoke the \fIlink\fP utility.
|
||
|
.SH OPTIONS
|
||
|
.LP
|
||
|
None.
|
||
|
.SH OPERANDS
|
||
|
.LP
|
||
|
The following operands shall be supported:
|
||
|
.TP 7
|
||
|
\fIfile1\fP
|
||
|
The pathname of an existing file.
|
||
|
.TP 7
|
||
|
\fIfile2\fP
|
||
|
The pathname of the new directory entry to be created.
|
||
|
.sp
|
||
|
.SH STDIN
|
||
|
.LP
|
||
|
Not used.
|
||
|
.SH INPUT FILES
|
||
|
.LP
|
||
|
Not used.
|
||
|
.SH ENVIRONMENT VARIABLES
|
||
|
.LP
|
||
|
The following environment variables shall affect the execution of
|
||
|
\fIlink\fP:
|
||
|
.TP 7
|
||
|
\fILANG\fP
|
||
|
Provide a default value for the internationalization variables that
|
||
|
are unset or null. (See the Base Definitions volume of
|
||
|
IEEE\ Std\ 1003.1-2001, Section 8.2, Internationalization Variables
|
||
|
for
|
||
|
the precedence of internationalization variables used to determine
|
||
|
the values of locale categories.)
|
||
|
.TP 7
|
||
|
\fILC_ALL\fP
|
||
|
If set to a non-empty string value, override the values of all the
|
||
|
other internationalization variables.
|
||
|
.TP 7
|
||
|
\fILC_CTYPE\fP
|
||
|
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).
|
||
|
.TP 7
|
||
|
\fILC_MESSAGES\fP
|
||
|
.sp
|
||
|
Determine the locale that should be used to affect the format and
|
||
|
contents of diagnostic messages written to standard error.
|
||
|
.TP 7
|
||
|
\fINLSPATH\fP
|
||
|
Determine the location of message catalogs for the processing of \fILC_MESSAGES
|
||
|
\&.\fP
|
||
|
.sp
|
||
|
.SH ASYNCHRONOUS EVENTS
|
||
|
.LP
|
||
|
Default.
|
||
|
.SH STDOUT
|
||
|
.LP
|
||
|
None.
|
||
|
.SH STDERR
|
||
|
.LP
|
||
|
The standard error shall be used only for diagnostic messages.
|
||
|
.SH OUTPUT FILES
|
||
|
.LP
|
||
|
None.
|
||
|
.SH EXTENDED DESCRIPTION
|
||
|
.LP
|
||
|
None.
|
||
|
.SH EXIT STATUS
|
||
|
.LP
|
||
|
The following exit values shall be returned:
|
||
|
.TP 7
|
||
|
\ 0
|
||
|
Successful completion.
|
||
|
.TP 7
|
||
|
>0
|
||
|
An error occurred.
|
||
|
.sp
|
||
|
.SH CONSEQUENCES OF ERRORS
|
||
|
.LP
|
||
|
Default.
|
||
|
.LP
|
||
|
\fIThe following sections are informative.\fP
|
||
|
.SH APPLICATION USAGE
|
||
|
.LP
|
||
|
None.
|
||
|
.SH EXAMPLES
|
||
|
.LP
|
||
|
None.
|
||
|
.SH RATIONALE
|
||
|
.LP
|
||
|
None.
|
||
|
.SH FUTURE DIRECTIONS
|
||
|
.LP
|
||
|
None.
|
||
|
.SH SEE ALSO
|
||
|
.LP
|
||
|
\fIln\fP , \fIunlink\fP() , the System Interfaces volume of
|
||
|
IEEE\ Std\ 1003.1-2001, \fIlink\fP()
|
||
|
.SH COPYRIGHT
|
||
|
Portions of this text are reprinted and reproduced in electronic form
|
||
|
from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
|
||
|
-- Portable Operating System Interface (POSIX), The Open Group Base
|
||
|
Specifications Issue 6, Copyright (C) 2001-2003 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 .
|