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