histsave
histsave(source->line, Xstring(xs, xp), 1);
histsave(source->line, Xstring(xs, xp), 1);
histsave(lno, (char *)line, 0);
histsave(++(hist_source->line), p, 1);
histsave(0, hline + pos, 0);
histsave(s->line, s->str, 1);
void histsave ARGS((int, const char *, int));
histsave(source->line, es->cbuf, 1);