debian man page for socket_getifname

socket_getifname(3)					     Library Functions Manual					       socket_getifname(3)

NAME
       socket_getifname - get interface name

SYNTAX
       #include <socket.h>

       const char* socket_getifname(uint32 interface);

DESCRIPTION
       socket_getifname  returns  the  symbolic interface name for a network interface number.	The returned char* is a static buffer in the libc.
       If you query the named for more than one interface, you have to save the name before calling socket_getifidx again.

       If something goes wrong, socket_getifname returns "[unknown]".

SEE ALSO
       socket_getifidx(3), socket_connect6(3)

															       socket_getifname(3)