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

# \_Fork(3)

create a child process

## NAME

\_Fork - create a child process

## LIBRARY

Standard C library (*libc*, *-lc*)

## SYNOPSIS

```
#include <unistd.h>
```

**pid\_t \_Fork(void);**

## DESCRIPTION

This function is equivalent to [**fork**(2)](/man/fork/2.md), except that fork handlers registered with [**pthread\_atfork**(3)](/man/pthread_atfork/3.md) are not called.

## STANDARDS

POSIX.1-2024.

## HISTORY

POSIX.1-2024.

## SEE ALSO

[**fork**(2)](/man/fork/2.md), [**vfork**(2)](/man/vfork/2.md)