---
name: "al_set_errno"
section: "3"
platform: "linux"
package: "allegro"
version: "5.2.11.3-2"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/al_set_errno"
---

# al\_set\_errno(3)

Allegro 5 API

## NAME

al\_set\_errno - Allegro 5 API

## SYNOPSIS

-

  ```
  void al_set_errno(int errnum)
  ```

## DESCRIPTION

Set the error number for the calling thread.