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Map an interface index to its name
#include <net/if.h>
char * if_indextoname( unsigned int ifindex,
char * ifname );
- ifindex
- The interface index.
- ifname
- A pointer to a buffer in which if_indextoname() copies
the interface name.
The buffer must be a minimum of IFNAMSIZ bytes long.
libsocket
Use the -l socket option to
qcc
to link against this library.
The if_indextoname() function maps the interface index specified by
ifindex to its corresponding name.
The name is copied into the buffer pointed to by ifname.
A pointer to the name, or NULL if
There isn't an interface corresponding to the specified index.
POSIX 1003.1
Safety: | |
Cancellation point |
Yes |
Interrupt handler |
No |
Signal handler |
No |
Thread |
Yes |
getifaddrs(),
if_freenameindex(),
if_nameindex(),
if_nametoindex()
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