get_space
get_space(tps, (size_t) 1);
(get_space) (TPARM_STATE *tps, size_t need) {
get_space(tps, need);
get_space(tps, s_len + 1); \
get_space(tps, s_len + 1); \
get_space(tps, (size_t) 1); \