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