41 #define CHECK_RET_CONST_TYPE(func, rettype, arg, name, ...)		\  argument
42   if (sizeof (func (arg, ## __VA_ARGS__)) != sizeof (rettype))		\
43     our_error ("Return size of " #func " is wrong with " #name " argument");
45 #define CHECK_RET_CONST_FLOAT(func, rettype, ...)			\  argument
46   CHECK_RET_CONST_TYPE (func, rettype, fx, float, ## __VA_ARGS__)
47 #define CHECK_RET_CONST_DOUBLE(func, rettype, ...)			\  argument
48   CHECK_RET_CONST_TYPE (func, rettype, dx, double, ## __VA_ARGS__)
49 #define CHECK_RET_CONST_LDOUBLE(func, rettype, ...)			\  argument
50   CHECK_RET_CONST_TYPE (func, rettype, lx, long double, ## __VA_ARGS__)
52 #define CHECK_RET_CONST(func, rettype, ...)			\  argument
54 check_return_ ##func (void)					\
56   CHECK_RET_CONST_FLOAT (func, rettype, ## __VA_ARGS__)		\
57   CHECK_RET_CONST_DOUBLE (func, rettype, ## __VA_ARGS__)	\
58   CHECK_RET_CONST_LDOUBLE (func, rettype, ## __VA_ARGS__)	\