zend_mm_chunk_extend_t  293 Zend/zend_alloc.h typedef int   (*zend_mm_chunk_extend_t)(zend_mm_storage *storage, void *chunk, size_t old_size, size_t new_size);
zend_mm_chunk_extend_t  299 Zend/zend_alloc.h 	zend_mm_chunk_extend_t      chunk_extend;