xbt_log_layout_t res = xbt_new0(s_xbt_log_layout_t, 1);
res->do_layout = &xbt_log_layout_format_doit;
res->free_ = &xbt_log_layout_format_free;
xbt_log_layout_t res = xbt_new0(s_xbt_log_layout_t, 1);
res->do_layout = &xbt_log_layout_format_doit;
res->free_ = &xbt_log_layout_format_free;