patch 8.1.0982: update_cursor() called twice in :shell commit https://github.com/vim/vim/commit/32033d23975dbe674f98e1ac5a9a644002faaa3e Author: Bram Moolenaar <Bram@vim.org> Date: Mon Feb 25 06:28:57 2019 +0100 patch 8.1.0982: update_cursor() called twice in :shell Problem: update_cursor() called twice in :shell. Solution: Remove one of the calls. (Yasuhiro Matsumoto, closes https://github.com/vim/vim/issues/4039)

/* pty.c */
int setup_slavepty(int fd);
int mch_openpty(char **ttyn);
int mch_isatty(int fd);
/* vim: set ft=c : */