int DSAparams_print(BIO *bp, DSA *x);
int DSAparams_print_fp(FILE *fp, DSA *x);
int DSA_print(BIO *bp, DSA *x, int offset);
int DSA_print_fp(FILE *fp, DSA *x, int offset);
RSA_print(), RSA_print_fp(), DSA_print(), DSA_print_fp(), DH_print(),
DH_print_fp() are available in all versions of SSLeay and OpenSSL.
DSAparams_print() and DSAparams_print_fp() were added in SSLeay 0.8.