commit https://github.com/vim/vim/commit/b7522a2f0ca6c970df37241c9e70024465d8596b Author: Bram Moolenaar <Bram@vim.org> Date: Sun Feb 21 17:20:55 2016 +0100 patch 7.4.1379 Problem: Channel test fails on Win32 console. Solution: Don't sleep when timeout is zero. Call channel_wait() before channel_read(). Channels are not polled during ":sleep". (Yukihiro Nakadaira)

/* termlib.c */
int tgetent(char *tbuf, char *term);
int tgetflag(char *id);
int tgetnum(char *id);
char *tgetstr(char *id, char **buf);
char *tgoto(char *cm, int col, int line);
int tputs(char *cp, int affcnt, void (*outc)(unsigned int));
/* vim: set ft=c : */