root/include/linux/kernel.h

/* */

INCLUDED FROM

   1 /*
   2  * 'kernel.h' contains some often-used function prototypes etc
   3  */
   4 void verify_area(void * addr,int count);
   5 volatile void panic(const char * str);
   6 volatile void do_exit(long error_code);
   7 int printk(const char * fmt, ...);
   8 void * malloc(unsigned int size);
   9 void free_s(void * obj, int size);
  10 
  11 #define free(x) free_s((x), 0)
  12 
  13 /*
  14  * This is defined as a macro, but at some point this might become a
  15  * real subroutine that sets a flag if it returns true (to do
  16  * BSD-style accounting where the process is flagged if it uses root
  17  * privs).  The implication of this is that you should do normal
  18  * permissions checks first, and check suser() last.
  19  */
  20 #define suser() (current->euid == 0)
  21 

/* */