Eroare de compilare: user.c: In function ‘heap_del’: user.c:39:2: error: expected ‘,’ or ‘;’ before ‘heap’ heap.tree[itempos] = heap.tree[heap.end]; ^ user.c: In function ‘main’: user.c:65:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &N); ^ user.c:68:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &op); ^ user.c:71:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &aux); ^ user.c:75:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &aux); ^