---
title: oid_handler
framework: Kernel
role: symbol
role_heading: Instance Property
platforms: [macOS 10.6+]
path: kernel/sysctl_oid/1404273-oid_handler
---

# oid_handler

## Declaration

```occ
int (*oid_handler)(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
```