pshpack4.h
#if defined(__WINE_PSHPACK_H3)
/* Depth > 3 */
# error "Alignment nesting > 3 is not supported"
#else
# if !defined(__WINE_PSHPACK_H)
# define __WINE_PSHPACK_H 4
/* Depth == 1 */
# elif !defined(__WINE_PSHPACK_H2)
# define __WINE_PSHPACK_H2 4
/* Depth == 2 */
# define __WINE_INTERNAL_POPPACK
# include "poppack.h"
# elif !defined(__WINE_PSHPACK_H3)
# define __WINE_PSHPACK_H3 4
/* Depth == 3 */
# define __WINE_INTERNAL_POPPACK
# include "poppack.h"
# endif
# if defined(__GNUC__) || defined(__SUNPRO_C) || defined(__SUNPRO_CC)
# pragma pack(4)
# elif !defined(RC_INVOKED)
# error "Adjusting the alignment is not supported with this compiler"
# endif
#endif