krb5_unlock_file
retval = krb5_unlock_file(context, data->file);
(void) krb5_unlock_file(context, data->file);
(void) krb5_unlock_file(context, f);
(void) krb5_unlock_file(context, fileno(KTFILEP(id)));
(void) krb5_unlock_file(context, fileno(KTFILEP(id)));
(void) krb5_unlock_file(context, fileno(KTFILEP(id)));
kerror = krb5_unlock_file(context, fileno(KTFILEP(id)));
krb5_error_code krb5_unlock_file (krb5_context, int);