pub unsafe extern "C" fn zend_mm_set_custom_handlers_ex(
heap: *mut zend_mm_heap,
_malloc: Option<unsafe extern "C" fn(arg1: usize) -> *mut c_void>,
_free: Option<unsafe extern "C" fn(arg1: *mut c_void)>,
_realloc: Option<unsafe extern "C" fn(arg1: *mut c_void, arg2: usize) -> *mut c_void>,
_gc: Option<unsafe extern "C" fn() -> usize>,
_shutdown: Option<unsafe extern "C" fn(arg1: bool, arg2: bool)>,
)