234   struct line *lo;              /* Lines to merge from LO child node. */  member
2050   size_t lo = 0;  in getmonth()  local
2058       size_t ix = (lo + hi) / 2;  in getmonth()
2077               lo = ix + 1;  in getmonth()
2082   while (lo < hi);  in getmonth()
3165         size_t lo = 1;  in mergefps()  local
3167         size_t probe = lo;  in mergefps()
3171         while (lo < hi)  in mergefps()
3177               lo = probe + 1;  in mergefps()
3178             probe = (lo + hi) / 2;  in mergefps()
3181         count_of_smaller_lines = lo - 1;  in mergefps()
3232             struct line const *restrict lo)  in mergelines()  argument
3239     if (compare (lo - 1, hi - 1) <= 0)  in mergelines()
3241         *--t = *--lo;  in mergelines()
3255               *--t = *--lo;  in mergelines()
3303       struct line *lo = lines;  in sequential_sort()  local
3308         sequential_sort (lo, nlo, temp, !to_temp);  in sequential_sort()
3310         temp[-1] = lo[-1];  in sequential_sort()
3341   root->lo = root->hi = root->end_lo = root->end_hi = nullptr;  in merge_tree_init()
3385   struct line *lo = dest - total_lines;  in init_node()  local
3386   struct line *hi = lo - nlo;  in init_node()
3390   node->lo = node->end_lo = lo;  in init_node()
3405       node_pool = init_node (node, node_pool, lo, lo_threads,  in init_node()
3531   struct line *lo_orig = node->lo;  in mergelines_node()
3541       while (node->lo != node->end_lo && node->hi != node->end_hi && to_merge--)  in mergelines_node()
3542         if (compare (node->lo - 1, node->hi - 1) <= 0)  in mergelines_node()
3543           *--dest = *--node->lo;  in mergelines_node()
3547       merged_lo = lo_orig - node->lo;  in mergelines_node()
3551         while (node->lo != node->end_lo && to_merge--)  in mergelines_node()
3552           *--dest = *--node->lo;  in mergelines_node()
3561       while (node->lo != node->end_lo && node->hi != node->end_hi && to_merge--)  in mergelines_node()
3563           if (compare (node->lo - 1, node->hi - 1) <= 0)  in mergelines_node()
3564             write_unique (--node->lo, tfp, temp_output);  in mergelines_node()
3569       merged_lo = lo_orig - node->lo;  in mergelines_node()
3574           while (node->lo != node->end_lo && to_merge--)  in mergelines_node()
3575             write_unique (--node->lo, tfp, temp_output);  in mergelines_node()
3585   merged_lo = lo_orig - node->lo;  in mergelines_node()
3600       bool lo_avail = (node->lo - node->end_lo) != 0;  in queue_check_insert()
3759       node->lo = lines;  in sortlines()