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#include <stdio.h>
extern int var;
extern void (*func_ptr)(void);
extern void print_var (void);
extern void print_foo (void);
extern int foo;
extern int var2[2];
typedef struct
{
int * var;
void (* func_ptr)(void);
int * var_with_offset;
}
TEST;
TEST xyz = { & var, print_var, & var };
const TEST const_xyz = { & var, print_var, & var };
int
main (void)
{
print_var ();
printf ("We see var = %d\n", var);
printf ("Setting var = 456\n");
var = 456;
print_var ();
printf ("We see var = %d\n\n", var);
var = 90;
print_var ();
printf ("We see var = %d\n\n", var);
print_foo ();
printf ("We see foo = %d\n", foo);
printf ("Setting foo = 19\n");
foo = 19;
print_foo ();
printf ("We see foo = %d\n\n", foo);
fflush (stdout);
printf ("Calling dllimported function pointer\n");
func_ptr ();
printf ("Calling functions using global structure\n");
xyz.func_ptr ();
* xyz.var = 40;
xyz.func_ptr ();
printf ("We see var2[0] = %d\n\n", var2[0]);
printf ("We see const xyz %x %x\n", const_xyz.var, const_xyz.var_with_offset);
return 0;
}
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