diff options
Diffstat (limited to 'sysdeps/gnu/net')
| -rw-r--r-- | sysdeps/gnu/net/if.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sysdeps/gnu/net/if.h b/sysdeps/gnu/net/if.h index 61e6bc2527..79d3c88512 100644 --- a/sysdeps/gnu/net/if.h +++ b/sysdeps/gnu/net/if.h @@ -191,7 +191,9 @@ __BEGIN_DECLS /* Convert an interface name to an index, and vice versa. */ extern unsigned int if_nametoindex (const char *__ifname) __THROW; -extern char *if_indextoname (unsigned int __ifindex, char *__ifname) __THROW; +extern char *if_indextoname (unsigned int __ifindex, + char __ifname[IF_NAMESIZE]) __THROW + __attr_access ((__write_only__, 2)); /* Return a list of all interfaces and their indices. */ extern struct if_nameindex *if_nameindex (void) __THROW; |