Type Alias evdns_getaddrinfo_cb 

pub type evdns_getaddrinfo_cb = Option<unsafe extern "C" fn(result: c_int, res: *mut addrinfo, arg: *mut c_void)>;

Aliased Type

pub enum evdns_getaddrinfo_cb {
    None,
    Some(unsafe extern "C" fn(i32, *mut addrinfo, *mut c_void)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(i32, *mut addrinfo, *mut c_void))

Some value of type T.