---
title: ifa_msghdr
framework: Kernel
role: symbol
platforms: [macOS 10.9+]
path: kernel/ifa_msghdr
---

# ifa_msghdr

## Declaration

```occ
struct ifa_msghdr {
    ...
};
```

## Topics

### Instance Properties

- [ifam_addrs](kernel/ifa_msghdr/1563925-ifam_addrs.md)
- [ifam_flags](kernel/ifa_msghdr/1564041-ifam_flags.md)
- [ifam_index](kernel/ifa_msghdr/1563945-ifam_index.md)
- [ifam_metric](kernel/ifa_msghdr/1563950-ifam_metric.md)
- [ifam_msglen](kernel/ifa_msghdr/1563993-ifam_msglen.md)
- [ifam_type](kernel/ifa_msghdr/1564013-ifam_type.md)
- [ifam_version](kernel/ifa_msghdr/1563992-ifam_version.md)