...DMC__)
    #pragma pack(push, 8)
#endif
MyStruct
{
  /* fields */
}
#if defined(__DMC__)
    #pragma pack(pop)
#endif

...name
#endif
#ifndef D_ENUM_KEY
# define D_ENUM_KEY(key, enumType) enumType##_##key
#endif...

...could simplify to:

#ifdef __cplusplus
extern "C" {
#endif

// C declarations
void cFunc();
...

#ifdef __cplusplus
}
#endif

...define EXTERNC extern(C)
#else
#define EXTERNC
#endif
```

This way, the generated header could be...

...OVERRIDE_TTYPE_ENCODING (DW_EH_PE_pcrel)
#endif

You could just omit setting '_TTYPE_ENCODING...

...windows.h>
DWORD foo();
#else
int foo();
#endif

If you run DStep on Windows it...

...RS_STACK_CAPACITY (sizeof(rs_heap) - 1)
    #endif

    #ifdef RS_STACK_CAPACITY
    #define RS_ALIGNMENT...

...name##__ *name
#endif
#else
typedef PVOID HANDLE;
#define DECLARE_HANDLE(name) typedef HANDLE name
#endif

...item active">{{ item.title }}</li>
                    {% endif %}
                {% endfor %}
            </ol>
        </div>
    </div>
    {% endif %}
```


##  File response
```d
    @Action...

...stty sane")||
	#else
	#define S1
	#define S2
	#endif

	#define A(i) (((q*)R(8))[i...