line->cc_free = 0;
static termline *newline(Terminal *term, int cols, int bce){    termline *line;    int j;    line = snew(termline);    line->chars = snewn(cols, termchar);    for (j = 0; j < cols; j++)	line->chars[j] = (bce ? term->erase_char : term->basic_erase_char);    line->cols = cols;    line->lattr = LATTR_NORM;    line->temporary = FALSE;    return line;}