Function boring_sys::lh_insert

pub unsafe extern "C" fn lh_insert(
    lh: *mut _LHASH, 
    old_data: *mut *mut c_void, 
    data: *mut c_void, 
    call_hash_func: lhash_hash_func_helper, 
    call_cmp_func: lhash_cmp_func_helper
) -> c_int