#include <errno.h>
#include <dirent.h>
#include <fcntl.h>
-#include <unistd.h>
#include "set.h"
#include "util.h"
#define MAKE_SET(s) ((Set*) s)
#define MAKE_FDSET(s) ((FDSet*) s)
-/* Make sure we can distuingish fd 0 and NULL */
+/* Make sure we can distinguish fd 0 and NULL */
#define FD_TO_PTR(fd) INT_TO_PTR((fd)+1)
#define PTR_TO_FD(p) (PTR_TO_INT(p)-1)