102 float_up(heap_context ctx, int i, void *elt) {  in float_up()  argument
106 	      i > 1 && ctx->higher_priority(elt, ctx->heap[p]);  in float_up()
112 	ctx->heap[i] = elt;  in float_up()
118 sink_down(heap_context ctx, int i, void *elt) {  in sink_down()  argument
129 		if (ctx->higher_priority(elt, ctx->heap[j]))  in sink_down()
136 	ctx->heap[i] = elt;  in sink_down()
142 heap_insert(heap_context ctx, void *elt) {  in heap_insert()  argument
145 	if (ctx == NULL || elt == NULL) {  in heap_insert()
154 	float_up(ctx, i, elt);  in heap_insert()
161 	void *elt;  in heap_delete()  local
172 		elt = ctx->heap[ctx->heap_size--];  in heap_delete()
173 		less = ctx->higher_priority(elt, ctx->heap[i]);  in heap_delete()
174 		ctx->heap[i] = elt;  in heap_delete()