pub unsafe extern "C" fn SSL_CREDENTIAL_set1_cert_chain(
cred: *mut SSL_CREDENTIAL,
certs: *const *mut CRYPTO_BUFFER,
num_certs: usize,
) -> c_int
pub unsafe extern "C" fn SSL_CREDENTIAL_set1_cert_chain(
cred: *mut SSL_CREDENTIAL,
certs: *const *mut CRYPTO_BUFFER,
num_certs: usize,
) -> c_int