TIOCMBIC
QNX SDP8.0Devctl and Ioctl CommandsDeveloper
Clear specific modem bits
Synopsis:
#include <sys/ioctl.h>
#define TIOCMBIC _IOW('t', 107, int)
Arguments to ioctl():
Argument | Value |
---|---|
fd | A file descriptor that you obtained by opening the device |
request | TIOCMBIC |
Additional argument | A pointer to an int |
Description:
This command clears specific bits in the modem control registers on a tty device.
Input:
The bits that you want to clear; zero of more of the following:
- TIOCM_DTR — data terminal ready.
- TIOCM_RTS — request to send.
Output:
None.
See also:
ioctl() in the QNX OS C Library Reference
Page updated: