static void *_zend_mm_alloc_int(zend_mm_heap *heap, size_t size zend_file_line_dc ...) {     size_t true_size, best_size = 0x7fffffff;     zend_mm_free_block *p, *end, *best_fit = null;     true_size = zend_mm_true_size(size);     the macro expands to     (((long)size<(long)zend_mm_min_size)?(zend_mm_aligned_min_header_size):     (zend_mm_aligned_size(size+zend_mm_aligned_header_size+end_magic_size)))