H_SETSIZE
history(hist, &ev, H_SETSIZE, 100);
return history(el->el_history.ref, &ev, H_SETSIZE, num);
case H_SETSIZE:
if (history(h, &ev, H_SETSIZE, max) == 0) {
history(h, &ev, H_SETSIZE, INT_MAX);
history(h, &ev, H_SETSIZE, INT_MAX); /* unlimited */
history(hist, &hev, H_SETSIZE, 100); /* 100 elt history buffer */
history(hist, &he, H_SETSIZE, 100);
history(hist, &hev, H_SETSIZE, 100);
history(hist, &hev, H_SETSIZE, 100); /* remember 100 events */
history(hl, &hev, H_SETSIZE, 100);