27 struct heap_node {  struct
28   struct heap_node* left;  argument
29   struct heap_node* right;  argument
30   struct heap_node* parent;  argument
41   struct heap_node* min;
46 typedef int (*heap_compare_fn)(const struct heap_node* a,
47                                const struct heap_node* b);
51 HEAP_EXPORT(struct heap_node* heap_min(const struct heap* heap));
53                              struct heap_node* newnode,
56                              struct heap_node* node,
67 HEAP_EXPORT(struct heap_node* heap_min(const struct heap* heap)) {  in HEAP_EXPORT()
73                            struct heap_node* parent,  in heap_node_swap()
74                            struct heap_node* child) {  in heap_node_swap()
75   struct heap_node* sibling;  in heap_node_swap()
76   struct heap_node t;  in heap_node_swap()
107                              struct heap_node* newnode,  in HEAP_EXPORT()
109   struct heap_node** parent;  in HEAP_EXPORT()
110   struct heap_node** child;  in HEAP_EXPORT()
151                              struct heap_node* node,  in HEAP_EXPORT()
153   struct heap_node* smallest;  in HEAP_EXPORT()
154   struct heap_node** max;  in HEAP_EXPORT()
155   struct heap_node* child;  in HEAP_EXPORT()