libcurses/tty/tty_update.c

1825 /* Try to scroll up assuming given csr (miny, maxy). Returns ERR on failure */
1831 		   int miny,
1837     if (n == 1 && scroll_forward && top == miny && bot == maxy) {
1845     } else if (parm_index && top == miny && bot == maxy) {
1861     } else if (scroll_forward && top == miny && bot == maxy) {
1889 /* Try to scroll down assuming given csr (miny, maxy). Returns ERR on failure */
1896 		    int miny,
1902     if (n == 1 && scroll_reverse && top == miny && bot == maxy) {
1910     } else if (parm_rindex && top == miny && bot == maxy) {
1926     } else if (scroll_reverse && top == miny && bot == maxy) {