---
title: tcpi_txretransmitbytes
framework: Kernel
role: symbol
role_heading: Instance Property
platforms: [macOS 13.0+]
path: kernel/tcp_info/3944503-tcpi_txretransmitbytes
---

# tcpi_txretransmitbytes

## Declaration

```occ
u_int64_t tcpi_txretransmitbytes;
```