if (lookup1 != ~((uint32_t) 0))
if (lookup1 != EMPTY)
wctype_table_get (struct wctype_table *t, uint32_t wc){  uint32_t index1 = wc >> (t->q + t->p + 5);  if (index1 < t->level1_size)    {      uint32_t lookup1 = t->level1[index1];      if (lookup1 != ~((uint32_t) 0))	{	  uint32_t index2 = ((wc >> (t->p + 5)) & ((1 << t->q) - 1))			    + (lookup1 << t->q);	  uint32_t lookup2 = t->level2[index2];	  if (lookup2 != ~((uint32_t) 0))	    {	      uint32_t index3 = ((wc >> 5) & ((1 << t->p) - 1))				+ (lookup2 << t->p);	      uint32_t lookup3 = t->level3[index3];	      uint32_t index4 = wc & 0x1f;	      return (lookup3 >> index4) & 1;	    }	}    }  return 0;}