#define __PRINTF_H
#include <stdarg.h>
+#include <stddef.h>
+#include "util.h"
+#include "string.h"
int kvsprintf(const char *format, void *arg, int radix, va_list ap) __attribute__ ((format (printf, 1, 0)));
int vsprintf(char *str, const char *format, va_list ap) __attribute__ ((format (printf, 2, 0)));