osf1 man page for if_nametoindex

if_nametoindex(3)					     Library Functions Manual						 if_nametoindex(3)

NAME
       if_nametoindex - Maps an interface name to an interface index

LIBRARY
       Standard C Library (libc.so, libc.a)

SYNOPSIS
       #include <net/if.h>

       unsigned int if_nametoindex (	  const char *ifname) ;

PARAMETERS
       Points to a buffer that contains the interface name.

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

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

RELATED INFORMATION
       Functions: if_freenameindex(3), if_indextoname(3), if_nameindex(3).  delim off

																 if_nametoindex(3)