memcached_return_t rc= memcached_parse_configuration(memc_ptr, option_string, length);
if (memcached_failed(rc) and error_buffer and error_buffer_size)
{
strncpy(error_buffer, memcached_last_error_message(memc_ptr), error_buffer_size);
memcached_return_t rc= memcached_parse_configuration(memc_ptr, option_string, length);
if (memcached_failed(rc) and error_buffer and error_buffer_size)
{
strncpy(error_buffer, memcached_last_error_message(memc_ptr), error_buffer_size);