std.net.Address.resolveIp fails on macOS 12.1 on M1 Macbook

[dantecatalfamo]

Zig Version

0.10.0-dev.203+0772fb051

Steps to Reproduce

const std = @import("std");

test "resolve ip" {
    try std.net.Address.resolveIp("google.com", 80);
}

zig test test.zig

Expected Behavior

The test passes

Actual Behavior

$ zig test test.zig
/opt/homebrew/Cellar/zig/HEAD-0772fb0/lib/zig/std/os.zig:83:30: error: container 'std.c' has no member called 'IFNAMESIZE'
pub const IFNAMESIZE = system.IFNAMESIZE;
                             ^
/opt/homebrew/Cellar/zig/HEAD-0772fb0/lib/zig/std/net.zig:427:32: note: referenced here
        var scope_id_value: [os.IFNAMESIZE - 1]u8 = undefined;
                               ^
/opt/homebrew/Cellar/zig/HEAD-0772fb0/lib/zig/std/net.zig:85:32: note: referenced here
        return Address{ .in6 = try Ip6Address.resolve(buf, port) };
                               ^
/opt/homebrew/Cellar/zig/HEAD-0772fb0/lib/zig/std/net.zig:58:9: note: referenced here
        if (resolveIp6(name, port)) |ip6| return ip6 else |err| switch (err) {
        ^
./test.zig:4:5: note: referenced here
    try std.net.Address.resolveIp("google.com", 80);
    ^

[The-King-of-Toasters]

This is apparently 16 according to the system headers. I'd submit a pr myself but I don't have a macOS install handy.