+
+/*
+ * Compute what the screen size for printing headers should be.
+ * We use the following algorithm for the height:
+ * If baud rate < 1200, use 9
+ * If baud rate = 1200, use 14
+ * If baud rate > 1200, use 24 or ws_row
+ * Width is either 80 or ws_col;
+ */
+void
+setscreensize()
+{
+ struct sgttyb tbuf;
+ struct winsize ws;
+
+ if (ioctl(1, TIOCGWINSZ, (char *) &ws) < 0)
+ ws.ws_col = ws.ws_row = 0;
+ if (ioctl(1, TIOCGETP, &tbuf) < 0)
+ tbuf.sg_ospeed = B9600;
+ if (tbuf.sg_ospeed < B1200)
+ screenheight = 9;
+ else if (tbuf.sg_ospeed == B1200)
+ screenheight = 14;
+ else if (ws.ws_row != 0)
+ screenheight = ws.ws_row;
+ else
+ screenheight = 24;
+ if ((realscreenheight = ws.ws_row) == 0)
+ realscreenheight = 24;
+ if ((screenwidth = ws.ws_col) == 0)
+ screenwidth = 80;
+}