X509_TRUST *X509_TRUST_get0(int idx);
int X509_TRUST_get_by_id(int id);
int X509_TRUST_add(int id, int flags, int (*ck) (X509_TRUST *, X509 *, int),
X509_TRUST *X509_TRUST_get0(int idx);
int X509_TRUST_get_by_id(int id);
int X509_TRUST_add(int id, int flags, int (*ck) (X509_TRUST *, X509 *, int),