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.Dd $Mdocdate: May 25 2018 $
.Dt FIDO_STRERR 3
.Os
.Sh NAME
.Nm fido_strerr
.Nd FIDO2 error codes
.Sh SYNOPSIS
.In fido.h
.Ft const char *
.Fn fido_strerr "int n"
.Sh DESCRIPTION
The
.Fn fido_strerr
function translates the error code
.Fa n
into a readable string,
where
.Fa n
is an error code defined in
.In fido/err.h .
.Fn fido_strerr
never returns NULL.
Returned pointers point to static strings.