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#include <stdio.h>

#include <sys/types.h>

#include <unistd.h>

#include <fcntl.h>

/* amount to skip */

#define PLACE 65536

/* size of read buffer */

#define SIZE 0x200000

/* crude program to strip the elf header to make a bootable

   image via tftp

 */

int main(int argc, char **argv )

{

  int fd, fdo;

  unsigned char data[SIZE];

  int i, n, skip;

  if ( argc != 3 )

  {

    fprintf(stderr,"%s infile outfile\n", argv[0]);

    exit(-1);

  }

  fd = open(argv[1], O_RDONLY);

  if ( fd == -1 )

  {

    fprintf(stderr,"Couldn't open %s\n", argv[1]);

    perror("open()");

    exit(-1);

  }

  fdo = open(argv[2], O_WRONLY|O_CREAT|O_TRUNC,0755);

  if ( fdo == -1 )

  {

    fprintf(stderr,"Couldn't open %s\n", argv[2]);

    perror("open()");

    exit(-1);

  }

#if 0

  skip = atoi(argv[3]);

#else

  skip = PLACE;

#endif

  i = lseek(fd, skip, SEEK_SET);

  printf("lseek'd %d bytes\n", i);

  if ( i == -1 )

  {

      perror("lseek()");

  }

  while ( (n = read(fd, data, SIZE)) > 0 )

  {

    printf("Read %d bytes\n", n);

    i = write(fdo, data, n);

    printf("Wrote %d bytes\n", i);

  }

  close(fdo);

  close(fd);

  return(0);

}