NAME    [Toc]    [Back]

       if_nametoindex  -  Map  an  interface name to an interface
       index

SYNOPSIS    [Toc]    [Back]

       #include <net/if.h>

       unsigned int if_nametoindex(
               const char *ifname );

LIBRARY    [Toc]    [Back]

       Standard C Library (libc)

PARAMETERS    [Toc]    [Back]

       Points to a buffer that contains the interface name.

DESCRIPTION    [Toc]    [Back]

       The if_nametoindex() function maps an  interface  name  to
       its corresponding interface index number.

RETURN VALUES    [Toc]    [Back]

       Upon  successful conversion, the if_nametoindex() function
       returns an interface index number. If the  interface  does
       not exist, it returns zero (0).

SEE ALSO    [Toc]    [Back]

       Functions:     if_freenameindex(3),     if_indextoname(3),
       if_nameindex(3).



                                                if_nametoindex(3)