---
name: "fido_strerr"
section: "3"
platform: "linux"
package: "libfido2"
version: "1.17.0-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/fido_strerr"
---

# fido\_strerr(3)

FIDO2 error codes

## NAME

**fido\_strerr** – FIDO2 error codes

## SYNOPSIS

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

*const* *char* *\**\

**fido\_strerr**(*int n*);

## DESCRIPTION

The **fido\_strerr**() function translates the error code *n* into a readable string, where *n* is an error code defined in ⟨fido/err.h⟩. **fido\_strerr**() never returns NULL. Returned pointers point to static strings.