---
title: ex_cb_class_t
framework: Kernel
role: symbol
role_heading: Enumeration
platforms: [macOS 11.0+]
path: kernel/ex_cb_class_t
---

# ex_cb_class_t

## Declaration

```occ
typedef enum ex_cb_class_t : unsigned int {
    ...
} ex_cb_class_t;
```

## Topics

### Constants

- [EXCB_CLASS_ILLEGAL_INSTR_SET](kernel/ex_cb_class_t/excb_class_illegal_instr_set.md)
- [EXCB_CLASS_MAX](kernel/ex_cb_class_t/excb_class_max.md)