int mkreq(X509_REQ **x509p, EVP_PKEY **pkeyp, int bits, int serial, int days);
int add_ext(STACK_OF(X509_REQUEST) *sk, int nid, char *value);
int mkreq(X509_REQ **x509p, EVP_PKEY **pkeyp, int bits, int serial, int days);
int add_ext(STACK_OF(X509_REQUEST) *sk, int nid, char *value);