Function gnunet_sys::GNUNET_async_scope_enter

pub unsafe extern "C" fn GNUNET_async_scope_enter(
    aid: *const GNUNET_AsyncScopeId, 
    old_scope: *mut GNUNET_AsyncScopeSave
)

Set the async scope for the current thread.

@param aid the async scope identifier @param old_scope[out] location to save the old scope