ngx::ffi

Function ENGINE_set_ctrl_function

Source 
pub unsafe extern "C" fn ENGINE_set_ctrl_function(
    e: *mut engine_st,
    ctrl_f: Option<unsafe extern "C" fn(_: *mut engine_st, _: i32, _: i64, _: *mut c_void, _: Option<unsafe extern "C" fn()>) -> i32>,
) -> i32