set_signed_bn
if (!TEST_ptr(a = set_signed_bn(signed_mod_tests[n].n))
|| !TEST_ptr(b = set_signed_bn(signed_mod_tests[n].divisor))
|| !TEST_ptr(c = set_signed_bn(signed_mod_tests[n].result))
|| !TEST_ptr(d = set_signed_bn(signed_mod_tests[n].remainder)))
if (!TEST_ptr(a = set_signed_bn(signed_mod_tests[n].n))
|| !TEST_ptr(b = set_signed_bn(signed_mod_tests[n].divisor))
|| !TEST_ptr(c = set_signed_bn(signed_mod_tests[n].result))
|| !TEST_ptr(d = set_signed_bn(signed_mod_tests[n].remainder)))