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

# stack_t

## Declaration

```occ
typedef struct sigaltstack {
    ...
} stack_t;
```

## Topics

### Instance Properties

- [ss_flags](kernel/stack_t/1534694-ss_flags.md)
- [ss_size](kernel/stack_t/1534693-ss_size.md)
- [ss_sp](kernel/stack_t/1534696-ss_sp.md)