106 float_up(heap_context ctx, int i, void *elt) {  in float_up()  argument
110 	      i > 1 && ctx->higher_priority(elt, ctx->heap[p]);  in float_up()
116 	ctx->heap[i] = elt;  in float_up()
122 sink_down(heap_context ctx, int i, void *elt) {  in sink_down()  argument
133 		if (ctx->higher_priority(elt, ctx->heap[j]))  in sink_down()
140 	ctx->heap[i] = elt;  in sink_down()
146 heap_insert(heap_context ctx, void *elt) {  in heap_insert()  argument
149 	if (ctx == NULL || elt == NULL) {  in heap_insert()
158 	float_up(ctx, i, elt);  in heap_insert()
165 	void *elt;  in heap_delete()  local
176 		elt = ctx->heap[ctx->heap_size--];  in heap_delete()
177 		less = ctx->higher_priority(elt, ctx->heap[i]);  in heap_delete()
178 		ctx->heap[i] = elt;  in heap_delete()