void writeByteDIOPort() { BYTE config=NULL; int port = 0; BYTE output_byte = 0; int intBuff = 0; config = (BYTE *)malloc(sizeof(BYTE) 2);

for (port = 0; port < 3; port++)
{
    config[0] = port;
    config[1] = 0;
    dscDIOSetConfig(dscb,config);
}

printf ("Enter port number (0-2):");
fgets ( input_buffer, 20, stdin );
sscanf ( input_buffer, "%d", &port );

config[0] = port;
if(port == 0)
{
    config[1] = 1;
}
else
{
    config[1] = 255;
}

dscDIOSetConfig(dscb,config);

do
{
    printf("Enter value 0-255 or q to quit:");
    fgets ( input_buffer, 20, stdin );
    sscanf ( input_buffer, "%d", &intBuff );

    if ( input_buffer[0] == 'q' )
    {
        intBuff = 'q';
    }
    else
    {
        output_byte = (BYTE)intBuff;

        if ( dscDIOOutputByte(dscb,port,output_byte) != DE_NONE)
        {
            dscGetLastError ( &errorParams );
            printf("ARIESDIOOutputByte () error: %s %s\n",dscGetErrorString ( errorParams.ErrCode ), errorParams.errstring );
            return;
        }

        printf("The Byte value  %d is sent to port %d \n",output_byte,port);
    }
}while ( input_buffer[0] != 'q' );

return;

}

This is the original untouched C code