int get_sct() {
   unsigned long *ptr;

   ptr=(unsigned long *)((init_mm.end_code + 4) & 0xfffffffc);
   while((unsigned long )ptr < (unsigned long)init_mm.end_data) {
      if ((unsigned long *)*ptr == (unsigned long *)sys_close) {
#ifdef DEBUG
	 printk (KERN_INFO" -> matching detected at %p\n", ptr);
#endif
	 if ( (unsigned long *)*((ptr-__NR_close)+__NR_read)
              == (unsigned long *) sys_read
              && *((ptr-__NR_close)+__NR_open)
              == (unsigned long) sys_open)
         {
	    sys_call_table = (void **) ((unsigned long *)(ptr-__NR_close));
	    break;
	 }
      }
      ptr++;
   }

#ifdef DEBUG
   printk (KERN_INFO"sys_call_table base found at: %p\n", sys_call_table);
#endif
   if (sys_call_table == NULL) {
      return -1;} else {
      return 1;
   }

   return -1;
}