+enum {
+ MBCS_STAGE_2_BLOCK_SIZE=0x40, /* 64; 64=1<<6 for 6 bits in stage 2 */
+ MBCS_STAGE_2_BLOCK_SIZE_SHIFT=6, /* log2(MBCS_STAGE_2_BLOCK_SIZE) */
+ MBCS_STAGE_1_SIZE=0x440, /* 0x110000>>10, or 17*64 for one entry per 1k code points */
+ MBCS_STAGE_2_SIZE=0xfbc0, /* 0x10000-MBCS_STAGE_1_SIZE */
+ MBCS_MAX_STAGE_2_TOP=MBCS_STAGE_2_SIZE,
+ MBCS_STAGE_2_MAX_BLOCKS=MBCS_STAGE_2_SIZE>>MBCS_STAGE_2_BLOCK_SIZE_SHIFT,
+
+ MBCS_STAGE_2_ALL_UNASSIGNED_INDEX=0, /* stage 1 entry for the all-unassigned stage 2 block */
+ MBCS_STAGE_2_FIRST_ASSIGNED=MBCS_STAGE_2_BLOCK_SIZE, /* start of the first stage 2 block after the all-unassigned one */
+
+ MBCS_STAGE_3_BLOCK_SIZE=16, /* 16; 16=1<<4 for 4 bits in stage 3 */
+ MBCS_STAGE_3_FIRST_ASSIGNED=MBCS_STAGE_3_BLOCK_SIZE, /* start of the first stage 3 block after the all-unassigned one */
+
+ MBCS_MAX_FALLBACK_COUNT=8192
+};
+