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<net/if.h>(P) POSIX Programmer's Manual <net/if.h>(P)
NAME
net/if.h - sockets local interfaces
SYNOPSIS
#include <net/if.h>
DESCRIPTION
The <net/if.h> header shall define the if_nameindex structure that
includes at least the following members:
unsigned if_index Numeric index of the interface.
char *if_name Null-terminated name of the interface.
The <net/if.h> header shall define the following macro for the length
of a buffer containing an interface name (including the terminating
NULL character):
IF_NAMESIZE
Interface name length.
The following shall be declared as functions and may also be defined as
macros. Function prototypes shall be provided.
unsigned if_nametoindex(const char *);
char *if_indextoname(unsigned, char *);
struct if_nameindex *if_nameindex(void);
void if_freenameindex(struct if_nameindex *);
The following sections are informative.
APPLICATION USAGE
None.
RATIONALE
None.
FUTURE DIRECTIONS
None.
SEE ALSO
The System Interfaces volume of IEEE Std 1003.1-2001, if_freenamein-
dex(), if_indextoname(), if_nameindex(), if_nametoindex()
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 .
IEEE/The Open Group 2003 <net/if.h>(P)
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This page was generated on Sat Sep 8 16:41:10 GMT 2007
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