glibc/wctype/wchar-lookup.h

40    The table contains the following uint32_t words:
46    - 1st-level table: s offsets, pointing into the 2nd-level table,
47    - 2nd-level table: k*2^q offsets, pointing into the 3rd-level table,
48    - 3rd-level table: j*2^p words, each containing 32 bits of data.
52 wctype_table_lookup (const char *table, uint32_t wc)
54   uint32_t shift1 = ((const uint32_t *) table)[0];
56   uint32_t bound = ((const uint32_t *) table)[1];
59       uint32_t lookup1 = ((const uint32_t *) table)[5 + index1];
62 	  uint32_t shift2 = ((const uint32_t *) table)[2];
63 	  uint32_t mask2 = ((const uint32_t *) table)[3];
65 	  uint32_t lookup2 = ((const uint32_t *)(table + lookup1))[index2];
68 	      uint32_t mask3 = ((const uint32_t *) table)[4];
70 	      uint32_t lookup3 = ((const uint32_t *)(table + lookup2))[index3];
83 wcwidth_table_lookup (const char *table, uint32_t wc)
85   uint32_t shift1 = ((const uint32_t *) table)[0];
87   uint32_t bound = ((const uint32_t *) table)[1];
90       uint32_t lookup1 = ((const uint32_t *) table)[5 + index1];
93 	  uint32_t shift2 = ((const uint32_t *) table)[2];
94 	  uint32_t mask2 = ((const uint32_t *) table)[3];
96 	  uint32_t lookup2 = ((const uint32_t *)(table + lookup1))[index2];
99 	      uint32_t mask3 = ((const uint32_t *) table)[4];
101 	      uint8_t lookup3 = ((const uint8_t *)(table + lookup2))[index3];
116 wctrans_table_lookup (const char *table, uint32_t wc)
118   uint32_t shift1 = ((const uint32_t *) table)[0];
120   uint32_t bound = ((const uint32_t *) table)[1];
123       uint32_t lookup1 = ((const uint32_t *) table)[5 + index1];
126 	  uint32_t shift2 = ((const uint32_t *) table)[2];
127 	  uint32_t mask2 = ((const uint32_t *) table)[3];
129 	  uint32_t lookup2 = ((const uint32_t *)(table + lookup1))[index2];
132 	      uint32_t mask3 = ((const uint32_t *) table)[4];
134 	      int32_t lookup3 = ((const int32_t *)(table + lookup2))[index3];