if (fact != NULL) {
fprintf(fp, "\t<FACTURA NroFac=\"%08d\" ", fact->numero);
fprintf(fp, "FechaEmisiĆ³n=\"%s\" ", fact->emision);
if (fact != NULL) {
fprintf(fp, "\t<FACTURA NroFac=\"%08d\" ", fact->numero);
fprintf(fp, "FechaEmisiĆ³n=\"%s\" ", fact->emision);