memcached_return_t rc= memcached_parse_configuration(memc_ptr, option_string, length);
if (rc != MEMCACHED_SUCCESS && error_buffer && error_buffer_size)
{
memcached_return_t rc= memcached_parse_configuration(memc_ptr, option_string, length);
if (rc != MEMCACHED_SUCCESS && error_buffer && error_buffer_size)
{