ngx::ffi

Function SSL_CTX_get_client_cert_cb

Source 
pub unsafe extern "C" fn SSL_CTX_get_client_cert_cb(
    ctx: *mut ssl_ctx_st,
) -> Option<unsafe extern "C" fn(_: *mut ssl_st, _: *mut *mut x509_st, _: *mut *mut evp_pkey_st) -> i32>