Set specific modem bits
#include <sys/ioctl.h>
#define TIOCMBIS _IOW('t', 108, int)
| Argument | Value |
|---|---|
| fd | A file descriptor that you obtained by opening the device |
| request | TIOCMBIS |
| Additional argument | A pointer to an int |
This command sets specific bits in the modem control registers on a tty device.
The bits that you want to set; zero of more of the following:
None.