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Set terminal attributes
#include <termios.h>
int cfmakeraw( struct termios * termios_p );
- termios_p
- A pointer to a
termios
structure that describes the terminal's control attributes.
libc
Use the -l c option to
qcc
to link against this library.
This library is usually included automatically.
The cfmakeraw() function sets the terminal attributes as follows:
termios_p->c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON);
termios_p->c_oflag &= ~OPOST;
termios_p->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN);
termios_p->c_cflag &= ~(CSIZE|PARENB);
termios_p->c_cflag |= CS8;
You can get a valid termios control structure for an opened
device by calling
tcgetattr().
- 0
- Success.
- -1
- An error occurred (errno indicates the reason).
Unix
Safety: | |
Cancellation point |
No |
Interrupt handler |
No |
Signal handler |
Yes |
Thread |
Yes |
errno,
cfgetispeed(),
cfgetospeed(),
cfsetispeed(),
cfsetospeed(),
tcgetattr(),
tcsetattr(),
termios
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