---
title: syncSIOCADDMULTI
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/ioethernetinterface/1585550-syncsiocaddmulti
---

# syncSIOCADDMULTI

## Declaration

```occ
int syncSIOCADDMULTI(IONetworkController *ctr);
```