Get the size of a character device
#include <termios.h>
int tcgetsize( int filedes,
int* prows,
int* pcols );
libc
The tcgetsize() function gets the size of the character device
associated with filedes
and stores the number of rows and columns in prows and
pcols if they're not NULL.
- 0
- Success.
- -1
- An error occurred (errno is set).
- EACCES
- The filedes argument isn't associated with a controlling
terminal.
- EBADF
- The filedes argument isn't a valid file descriptor.
- ENOTTY
- The file associated with filedes isn't a terminal.
QNX 6
| Safety: | |
|---|
| Cancellation point |
No |
| Interrupt handler |
No |
| Signal handler |
Yes |
| Thread |
Yes |
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