DCMD_CHR_TCGETATTR
QNX SDP8.0Devctl and Ioctl CommandsDeveloper
Get the terminal properties
Synopsis:
#include <sys/dcmd_chr.h>
#define DCMD_CHR_TCGETATTR __DIOF(_CMD_IOCTL_TTY, 19, struct termios) /* TIOCGETA */
Arguments to devctl():
Argument | Value |
---|---|
filedes | A file descriptor that you obtained by opening the device. |
dcmd | DCMD_CHR_TCGETATTR |
dev_data_ptr | A pointer to a struct termios |
n_bytes | sizeof(struct termios) |
dev_info_ptr | NULL |
Description:
This command gets the current terminal control settings of a device. It's also implemented as the TIOCGETA ioctl() command.
Note:
This command is for internal use, and you shouldn't use it directly.
Instead use the
tcgetattr()
cover function.
Input:
None.
Output:
A filled-in termios structure.
See also:
DCMD_CHR_TCSETATTR, DCMD_CHR_TCSETATTRD, DCMD_CHR_TCSETATTRF, TIOCGETA
devctl(), tcgetattr(), termios in the QNX OS C Library Reference
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