FIDO_STRERR(3) Library Functions Manual FIDO_STRERR(3) NAME fido_strerr - FIDO2 error codes SYNOPSIS #include 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_strerr() never returns NULL. Returned pointers point to static strings. Linux 6.7.4-arch1-1 May 25, 2018 Linux 6.7.4-arch1-1