el_source
el_source(el, lookupvar("EDITRC"));
el_source(el, fname);
if (el_source(el, argv[1])) {
el_source(el, NULL);
el_source(el, NULL);
int el_source(EditLine *, const char *);
return el_source(e, s);
el_source(e, NULL);
el_source(elptr, NULL);
el_source(elptr, NULL);
el_source(el, NULL); /* read ~/.editrc */
(void)el_source(em.el, NULL); /* read ~/.editrc */
el_source(elptr, NULL);
el_source(elptr, NULL);