/*
* This function gets called once, to set up
* the terminal channel.
*/
ttopen() {
#ifdef TCCONIO
gettextinfo(&tinfo);
oldmode = tinfo.currmode;
#if TCCONIOMODE
textmode(TCCONIOMODE);
#endif
directvideo = 0;
#else
register char *tv_stype;
char *getenv(), tcbuf[1024], err_str[72];
/* do this the REAL way */
if ((tv_stype = getenv("TERM")) == NULL)
{
puts("Environment variable TERM not defined!");
exit(1);
}
if((tgetent(tcbuf, tv_stype)) != 1)
{
(void) sprintf(err_str, "Unknown terminal type %s!", tv_stype);
puts(err_str);
exit(1);
}
#endif /* TCCONIO */
if (ttraw() == FALSE)
panic("aborting due to terminal initialize failure");
#ifdef FEPCTRL /* 90.11.26 by K.Takano */
fepmode_init();
#endif
}
/*
* This function gets called once, to set up the terminal.
* On systems w/o TCSASOFT we turn off off flow control,
* which isn't really the right thing to do.
*/
void
ttopen(void)
{
if (!isatty(STDIN_FILENO) || !isatty(STDOUT_FILENO))
panic("standard input and output must be a terminal");
if (ttraw() == FALSE)
panic("aborting due to terminal initialize failure");
}