#include <unistd.h>
#include <fcntl.h>
#include <stdio.h>


int main()
{
    int filedesc, i;
    char filename[100];

    for (i=0; i<1000; i++)
    {
      sprintf(filename, "testfile%d.txt", i);

      filedesc = open(filename, O_WRONLY|O_CREAT|O_TRUNC, 0100444);
      if(filedesc < 0)
      {
        perror("Open failed\n");
        fprintf(stderr, "Error creating %s\n", filename);
        return 1;
      }
    }

    return 0;
}