--- /dev/null
+#ifndef _LWK_PRINT_H
+#define _LWK_PRINT_H
+
+#define KERN_EMERG "<0>" /* system is unusable */
+#define KERN_ALERT "<1>" /* action must be taken immediately */
+#define KERN_CRIT "<2>" /* critical conditions */
+#define KERN_ERR "<3>" /* error conditions */
+#define KERN_WARNING "<4>" /* warning conditions */
+#define KERN_NOTICE "<5>" /* normal but significant condition */
+#define KERN_INFO "<6>" /* informational */
+#define KERN_DEBUG "<7>" /* debug-level messages */
+#define KERN_USERMSG "<8>" /* message from user-space */
+#define KERN_NORM "<9>" /* a "normal" message, nothing special */
+
+#define USER_EMERG "<0>" /* system is unusable */
+#define USER_ALERT "<1>" /* action must be taken immediately */
+#define USER_CRIT "<2>" /* critical conditions */
+#define USER_ERR "<3>" /* error conditions */
+#define USER_WARNING "<4>" /* warning conditions */
+#define USER_NOTICE "<5>" /* normal but significant condition */
+#define USER_INFO "<6>" /* informational */
+#define USER_DEBUG "<7>" /* debug-level messages */
+#define USER_USERMSG "<8>" /* message from user-space */
+#define USER_NORM "" /* a "normal" message, nothing special */
+
+#ifdef __KERNEL__
+#define TYPE_EMERG KERN_EMERG
+#define TYPE_ALERT KERN_ALERT
+#define TYPE_CRIT KERN_CRIT
+#define TYPE_ERR KERN_ERR
+#define TYPE_WARNING KERN_WARNING
+#define TYPE_NOTICE KERN_NOTICE
+#define TYPE_INFO KERN_INFO
+#define TYPE_DEBUG KERN_DEBUG
+#define TYPE_USERMSG KERN_USERMSG
+#define TYPE_NORM KERN_NORM
+#else
+#define TYPE_EMERG USER_EMERG
+#define TYPE_ALERT USER_ALERT
+#define TYPE_CRIT USER_CRIT
+#define TYPE_ERR USER_ERR
+#define TYPE_WARNING USER_WARNING
+#define TYPE_NOTICE USER_NOTICE
+#define TYPE_INFO USER_INFO
+#define TYPE_DEBUG USER_DEBUG
+#define TYPE_USERMSG USER_USERMSG
+#define TYPE_NORM USER_NORM
+#endif
+
+#ifdef __KERNEL__
+#include <stdarg.h>
+#include <lwk/types.h>
+extern int sprintf(char * buf, const char * fmt, ...)
+ __attribute__ ((format (printf, 2, 3)));
+extern int vsprintf(char *buf, const char *, va_list)
+ __attribute__ ((format (printf, 2, 0)));
+extern int snprintf(char * buf, size_t size, const char * fmt, ...)
+ __attribute__ ((format (printf, 3, 4)));
+extern int vsnprintf(char *buf, size_t size, const char *fmt, va_list args)
+ __attribute__ ((format (printf, 3, 0)));
+extern int scnprintf(char * buf, size_t size, const char * fmt, ...)
+ __attribute__ ((format (printf, 3, 4)));
+extern int vscnprintf(char *buf, size_t size, const char *fmt, va_list args)
+ __attribute__ ((format (printf, 3, 0)));
+extern int vprintk(const char *fmt, va_list args)
+ __attribute__ ((format (printf, 1, 0)));
+extern int printk(const char * fmt, ...)
+ __attribute__ ((format (printf, 1, 2)));
+#define print printk
+#else
+#include <stdio.h>
+#include <stdarg.h>
+#define print printf
+#endif
+
+#endif
