#ifndef TYPES_H
#define TYPES_H
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <sys/types.h>
+
typedef unsigned char boolean;
typedef unsigned char byte;
#define SIGN(a) ((a) < 0 ? -1 : ((a)>0 ? 1 : 0))
#endif
+#define SIZEOF_ARRAY(array, type) (sizeof(array) / sizeof(type))
+#define SIZEOF_ARRAY_INT(array) SIZEOF_ARRAY(array, int)
+
#endif /* TYPES_H */