Found this in rtty.c
* ----------------------- initialize controller ------------------------ */
int init_controller()
{
extern char controllerport[];
struct termios termattribs;
if ((fdcont = open(controllerport, O_RDWR | O_NONBLOCK)) < 0) {
showstring(controllerport,
": Open failed for controller port!!!\n");
sleep(1);
return (-1);
Ed W3NR
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