IF_NAMETOINDEX(3) - Linux manual page online | Library functions

Mappings between network interface names and indexes.

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This manual	Reference	Other manuals
if_nametoindex(3)	referred by	dhcpcd.conf(5) \| dhcpcd5(8) \| if_nameindex(3) \| ip6(4freebsd) \| ng_netflow(4freebsd)
if_nametoindex(3)	refer to	attributes(7) \| getifaddrs(3) \| if_nameindex(3) \| ifconfig(8) \| ioctl(2) \| socket(2)