---
name: "closefrom"
section: "3bsd"
platform: "linux"
package: "libbsd"
version: "0.12.2-2"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/closefrom/3bsd"
---

# closefrom(3bsd)

delete open file descriptors

## NAME

**closefrom** – delete open file descriptors

## LIBRARY

library “libbsd”

## SYNOPSIS

**#include \<unistd.h\>**

(See [libbsd(7)](/libbsd/7.md) for include usage.)

*void*\

**closefrom**(*int lowfd*);

## DESCRIPTION

The **closefrom**() system call deletes all open file descriptors greater than or equal to *lowfd* from the per-process object reference table. Any errors encountered while closing file descriptors are ignored.

## SEE ALSO

[close(2)](/close/2.md)

## STANDARDS

**closefrom**() is a BSD and Solaris extension.

## HISTORY

The **closefrom**() function first appeared in Solaris 9, OpenBSD 3.5, DragonFly 1.2, NetBSD 3.0, FreeBSD 8.0 and glibc 2.34.