- int ASN1_STRING_print_ex(BIO *out, ASN1_STRING *str, unsigned long flags);
- int ASN1_STRING_print_ex_fp(FILE *fp, ASN1_STRING *str, unsigned long flags);
- int ASN1_STRING_print(BIO *out, ASN1_STRING *str);
+ int ASN1_STRING_print_ex(BIO *out, const ASN1_STRING *str, unsigned long flags);
+ int ASN1_STRING_print_ex_fp(FILE *fp, const ASN1_STRING *str, unsigned long flags);
+ int ASN1_STRING_print(BIO *out, const ASN1_STRING *str);