x_cols
x_cols = ws.ws_col < MIN_COLS ? MIN_COLS
xx_cols = x_cols;
prompt_trunc = x_col - (x_cols - 3 - MIN_EDIT_SPACE);
cols = x_cols / (max_width + 1);
nspace = (x_cols - max_width * cols) / cols;
EXTERN int x_cols I__(80); /* tty columns */
if ((x_cols = intval(vp)) <= MIN_COLS)
x_cols = MIN_COLS;
if (pwidth > x_cols - 3 - MIN_EDIT_SPACE) {
cur_col = x_cols - 3 - MIN_EDIT_SPACE;
if (!wbuf_len || wbuf_len != x_cols - 3) {
wbuf_len = x_cols - 3;
winwidth = x_cols - pwidth - 3;