ossl_isascii
if ((types & B_ASN1_IA5STRING) && !ossl_isascii(native))
if (!ossl_isascii(c))
if (!ossl_isascii(*from)) {
if (!TEST_int_eq(isascii((unsigned char)n) != 0, ossl_isascii(n) != 0))
if (!ossl_isascii(n))