debian man page for socket_getifidx

Query: socket_getifidx

OS: debian

Section: 3

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

socket_getifidx(3)					     Library Functions Manual						socket_getifidx(3)

NAME
socket_getifidx - get interface number
SYNTAX
#include <socket.h> int socket_getifidx(const char* ifname);
DESCRIPTION
socket_getifidx returns the interface number for a symbolic network interface name (like "eth0" on Linux, for example). The interface number can be used as scope_id for IPv6 communications on link-local addresses. If something goes wrong, socket_getifidx returns -1, setting errno appropriately.
SEE ALSO
socket_getifname(3), socket_connect6(3) socket_getifidx(3)
Related Man Pages
if_indextoname(3) - linux
scan_ip6if(3) - debian
if_nametoindex(3) - debian
if_nametoindex(3) - minix
if_nametoindex(3) - plan9
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