Function libmimalloc_sys::mi_heap_reallocn

pub unsafe extern "C" fn mi_heap_reallocn(
    heap: *mut mi_heap_t, 
    p: *mut c_void, 
    count: usize, 
    size: usize
) -> *mut c_void

Equivalent to mi_reallocn, but allocates out of the specific heap instead of the default.