Warning: main(/www/www/htdocs/style/globals.php) [function.main]: failed to open stream: No such file or directory in /www/www/docs/6.4.1/neutrino/lib_ref/t/tcischars.html on line 1
Warning: main() [function.include]: Failed opening '/www/www/htdocs/style/globals.php' for inclusion (include_path='.:/www/www/common:/www/www/php/lib/php') in /www/www/docs/6.4.1/neutrino/lib_ref/t/tcischars.html on line 1
Warning: main(/www/www/htdocs/style/header.php) [function.main]: failed to open stream: No such file or directory in /www/www/docs/6.4.1/neutrino/lib_ref/t/tcischars.html on line 8
Warning: main() [function.include]: Failed opening '/www/www/htdocs/style/header.php' for inclusion (include_path='.:/www/www/common:/www/www/php/lib/php') in /www/www/docs/6.4.1/neutrino/lib_ref/t/tcischars.html on line 8
Determine the number of characters waiting to be read
#include <termios.h>
int tcischars( int filedes );
- fildes
- A file descriptor that's associated with the device that you want to
check.
libc
Use the -l c option to
qcc
to link against this library.
This library is usually included automatically.
The tcischars() function checks to see how many characters are
waiting to be read from the given file descriptor, filedes.
The number of characters waiting to be read, or -1 if an error
occurred.
- ENOTTY
- The fd argument isn't the file descriptor for a
character device.
QNX Neutrino
| Safety: | |
|---|
| Cancellation point |
No |
| Interrupt handler |
No |
| Signal handler |
Yes |
| Thread |
Yes |
Warning: main(/www/www/htdocs/style/footer.php) [function.main]: failed to open stream: No such file or directory in /www/www/docs/6.4.1/neutrino/lib_ref/t/tcischars.html on line 115
Warning: main() [function.include]: Failed opening '/www/www/htdocs/style/footer.php' for inclusion (include_path='.:/www/www/common:/www/www/php/lib/php') in /www/www/docs/6.4.1/neutrino/lib_ref/t/tcischars.html on line 115
![[Previous]](../prev.gif)
![[Contents]](../contents.gif)
![[Index]](../keyword_index.gif)
![[Next]](../next.gif)