---
title: sysctl_set_osenvironment
framework: Kernel
role: symbol
role_heading: Function
platforms: [macOS 11.0+]
path: kernel/3553818-sysctl_set_osenvironment
---

# sysctl_set_osenvironment

## Declaration

```occ
void sysctl_set_osenvironment(unsigned int size, const void *value);
```