---
title: tcps_tfo_syn_data_sent
framework: Kernel
role: symbol
role_heading: Instance Property
platforms: [macOS 12.0+]
path: kernel/tcpstat/3754989-tcps_tfo_syn_data_sent
---

# tcps_tfo_syn_data_sent

## Declaration

```occ
u_int32_t tcps_tfo_syn_data_sent;
```