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+.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved
+.TH "IF_FREENAMEINDEX" 3P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual"
+.\" if_freenameindex
+.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
+if_freenameindex \- free memory allocated by if_nameindex
+.SH SYNOPSIS
+.LP
+\fB#include <net/if.h>
+.br
+.sp
+void if_freenameindex(struct if_nameindex *\fP\fIptr\fP\fB);
+.br
+\fP
+.SH DESCRIPTION
+.LP
+The \fIif_freenameindex\fP() function shall free the memory allocated
+by \fIif_nameindex\fP(). The \fIptr\fP argument shall be a pointer
+that was returned by \fIif_nameindex\fP(). After \fIif_freenameindex\fP()
+has been called, the application
+shall not use the array of which \fIptr\fP is the address.
+.SH RETURN VALUE
+.LP
+None.
+.SH ERRORS
+.LP
+No errors are defined.
+.LP
+\fIThe following sections are informative.\fP
+.SH EXAMPLES
+.LP
+None.
+.SH APPLICATION USAGE
+.LP
+None.
+.SH RATIONALE
+.LP
+None.
+.SH FUTURE DIRECTIONS
+.LP
+None.
+.SH SEE ALSO
+.LP
+\fIgetsockopt\fP(), \fIif_indextoname\fP(), \fIif_nameindex\fP(),
+\fIif_nametoindex\fP(), \fIsetsockopt\fP(), the Base Definitions
+volume of IEEE\ Std\ 1003.1-2001, \fI<net/if.h>\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 .