Function nginx::ENGINE_load_ssl_client_cert

pub unsafe extern "C" fn ENGINE_load_ssl_client_cert(
    e: *mut ENGINE, 
    s: *mut SSL, 
    ca_dn: *mut stack_st_X509_NAME, 
    pcert: *mut *mut X509, 
    ppkey: *mut *mut EVP_PKEY, 
    pother: *mut *mut stack_st_X509, 
    ui_method: *mut UI_METHOD, 
    callback_data: *mut c_void
) -> c_int