spnego_set_error_message
void spnego_set_error_message (spnego_gss_ctx_id_t, spnego_error_code, const char *, ...);
spnego_set_error_message(ctx, minor_code, "%s", s);
spnego_set_error_message(tmpsc, *minor_status,
spnego_set_error_message(sc, *minor_status,
spnego_set_error_message(sc, *minor_status,
spnego_set_error_message(sc, *minor_status,
spnego_set_error_message(sc, *minor_status,