|  | /* | 
|  | * Copyright (C) 2000 Jeff Dike (jdike@karaya.com) | 
|  | * Licensed under the GPL | 
|  | */ | 
|  |  | 
|  | #ifndef __KERN_H__ | 
|  | #define __KERN_H__ | 
|  |  | 
|  | /* These are all user-mode things which are convenient to call directly | 
|  | * from kernel code and for which writing a wrapper is too much of a pain. | 
|  | * The regular include files can't be included because this file is included | 
|  | * only into kernel code, and user-space includes conflict with kernel | 
|  | * includes. | 
|  | */ | 
|  |  | 
|  | extern int printf(const char *fmt, ...); | 
|  | extern void *sbrk(int increment); | 
|  | extern int pause(void); | 
|  | extern void exit(int); | 
|  |  | 
|  | #endif | 
|  |  |