cp.c

#include "types.h"
#include "stat.h"
#include "user.h"
#include "fcntl.h"


int
main(int argc, char *argv[])
{
  int fdOriginal;
  int fdNew;
  char buf[512];
  int n;

  if(argc != 3){
  	printf(2,"Usage cp original new");
  	return 1;
  }
  fdOriginal = open(argv[1], O_RDONLY);
  fdNew = open(argv[2], O_CREATE |O_WRONLY);

  while((n = read(fdOriginal, buf, sizeof(buf))) > 0){
  	write(fdNew, buf, n);
  }

  close(fdOriginal);
  close(fdNew);

  exit();
}