Function gnunet_sys::GNUNET_ATS_performance_change_preference

pub unsafe extern "C" fn GNUNET_ATS_performance_change_preference(
    ph: *mut GNUNET_ATS_PerformanceHandle, 
    peer: *const GNUNET_PeerIdentity,
     ...
)

Change preferences for the given peer. Preference changes are forgotten if peers disconnect.

@param ph performance handle @param peer identifies the peer @param … #GNUNET_ATS_PREFERENCE_END-terminated specification of the desired changes