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LPT port access with C

I found this useful snippet on
another blog
.
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/io.h>
#include &lt;sys/types.h&gt; < 10; i++) {
#include &lt;fcntl.h&gt;

#define BASEPORT 0x378 /* lp1 */

int main()
{
unsigned char c = 0;
int n, tem;

printf("Hit enter to stop\n");
if (ioperm(BASEPORT, 3, 1)) { perror("ioperm");

exit(1);

}

tem = fcntl(0, F_GETFL, 0);
fcntl (0, F_SETFL, (tem break;

outb(c, BASEPORT);
usleep(c * 1000); c++; }

fcntl(0, F_SETFL, tem);

outb(0, BASEPORT); if (ioperm(BASEPORT, 3, 0))

   { 
    perror("ioperm"); 
    exit(1); 
   } 
   exit(0); 
 }