Function realloc_fallback
pub(in ::sys::alloc) unsafe fn realloc_fallback(ptr: *mut u8, old_layout: Layout, new_size: usize) -> *mut u8realloc_fallbackpub(in ::sys::alloc) unsafe fn realloc_fallback(ptr: *mut u8, old_layout: Layout, new_size: usize) -> *mut u8