X509 *d2i_X509_fp(FILE *fp, X509 **x509);
int i2d_X509_fp(FILE *fp,X509 *x509);
X509_CRL *d2i_X509_CRL_fp(FILE *fp,X509_CRL **crl);
int i2d_X509_CRL_fp(FILE *fp,X509_CRL *crl);
X509_REQ *d2i_X509_REQ_fp(FILE *fp,X509_REQ **req);
int i2d_X509_REQ_fp(FILE *fp,X509_REQ *req);
X509 *d2i_X509_fp(FILE *fp, X509 **x509);
int i2d_X509_fp(FILE *fp,X509 *x509);
X509_CRL *d2i_X509_CRL_fp(FILE *fp,X509_CRL **crl);
int i2d_X509_CRL_fp(FILE *fp,X509_CRL *crl);
X509_REQ *d2i_X509_REQ_fp(FILE *fp,X509_REQ **req);
int i2d_X509_REQ_fp(FILE *fp,X509_REQ *req);