pub unsafe extern "C" fn evrpc_add_hook(
vbase: *mut c_void,
hook_type: EVRPC_HOOK_TYPE,
cb: Option<unsafe extern "C" fn(arg1: *mut c_void, arg2: *mut evhttp_request, arg3: *mut evbuffer, arg4: *mut c_void) -> c_int>,
cb_arg: *mut c_void,
) -> *mut c_void