EQ
OR, AND, EQ, LT, GT, ADD, SUB, MUL, DIV, MOD, MATCH, RP, LP,
#define EQ(a, b) (memcmp(a, b, m->g->nstates) == 0)
#define EQ(a, b) ((a) == (b))
#undef EQ
#define EQ(v,exp) _CHECK(v, == exp, NULL)
EQ(void)
#define EQ 0x02