---
name: "blksize_t"
section: "3type"
platform: "linux"
package: "man-pages"
version: "6.19-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/blksize_t"
---

# blksize\_t(3type)

file block sizes

## NAME

blksize\_t - file block sizes

## LIBRARY

Standard C library (*libc*)

## SYNOPSIS

```
#include <sys/types.h>
```

**typedef** /\* ... \*/ **blksize\_t;**

## DESCRIPTION

Used for file block sizes. It is a signed integer type.

## STANDARDS

POSIX.1-2024.

## HISTORY

SUSv2, POSIX.1-2001.

## NOTES

The following header also provides this type: *\<sys/stat.h\>*.

## SEE ALSO

[**stat**(3type)](/stat/3type.md)