QNX6 does not support CONIO.H functions

QNX DEVELOPERS Porting
1

There are a couple of functions that CONIO.H provided that QNX6 no longer supports. I need the abilities that getch() and kbhit() provided in my code, and I have tried to make the read() and tcischars() functions work with stdin, but these functions are looking for a file pointer and not a device. How should I approach this problem?

If anyone knows of function within qnx6 that respond in the same way as getch() and kbhit(), please reply.

2

Hello Bmclean,
Please consider the following sample code which provides the required functionality.
Thanks,
Yuriy

#include <stdio.h>
#include <termios.h>
#include <unistd.h>
#include <errno.h>
int main(int argc, char** argv)
{
int bytes_to_read;
char buf [ BUFSIZ ];
struct termios termios_p;
// Set raw mode:
if (tcgetattr( 1, &termios_p ) == -1 )
{
perror (“tcgetattr”);
return (-1);
}
if (cfmakeraw( &termios_p ) == -1 )
{
perror (“cfmakeraw”);
return (-1);
}
if (tcsetattr( 1, TCSADRAIN, &termios_p )== -1)
{
perror (“tcsetattr”);
return (-1);
}
for ( ; ; )
{
bytes_to_read = tcischars( 1); // kbhit
if (bytes_to_read == -1 )
{
perror (“tcischars”);
return (-1);

	}
	
	if (bytes_to_read  >0 )
	{
		fprintf (stderr, "kbhit %d", bytes_to_read);
	 	read( 1,  buf,	bytes_to_read ) ; // getch()
	}
}
return 0;

}

3

This function does emulate the getch() and kbhit() functions, and I see if you save the termios struct before making it “raw” tou can restore it latter.

Thanks.

BMcLean

4

[quote=“bmclean”]
This function does emulate the getch() and kbhit() functions, but it causes the “\nâ€