1  #include <stdio.h>
       2  
       3  int func_attr_used_disabled(int val);
       4  int func_attr_used_enabled(int val);
       5  extern int var_attr_used_enabled;
       6  extern int var_attr_used_disabled;
       7  
       8  int main(int argc, const char **argv){
       9  	printf("%d\n", var_attr_used_disabled);
      10  	printf("%d\n", var_attr_used_enabled);
      11  	printf("%d\n", func_attr_used_disabled(1));
      12  	printf("%d\n", func_attr_used_enabled(1));
      13  	return 0;
      14  }