I
#define I 0100 /* Interactive command bit */
#define I(machcode) (((machcode) >> 13) & 0x01)
#define I(b, c, d) ((c) ^ ((b) | (~d)))
I,
#define I(x, y, z) ((y) ^ ((x) | (~z)))
#undef I
#define I _Imaginary_I
#define I(x, y, z) ((y) ^ ((x) | (~z)))
#define I 0x7c /* i '|' */
#undef I
#define I(q, m) ((int *) &(q))[m]
#undef I
#define I(q, m) ((int *) &(q))[m]
#undef I
#define I(q, m) ((int *) &(q))[m]
#undef I
#define I(q, m) ((int *) &(q))[m]
#undef I
#define I(x, y, z) ((y) ^ ((x) | (~z)))
enum i { I = 1 };
#define I(...+
#define I(x,...) ,##x##__VA_ARGS__
#define I(x,y,z) x y z
#define I(x) (((x) >> 13) & 0x01)