Function fdt_create_empty_tree 

pub unsafe extern "C" fn fdt_create_empty_tree(
    buf: *mut c_void,
    bufsize: c_int,
) -> c_int

fdt_create_empty_tree - create an empty device tree @buf: Buffer where the empty tree should be created @bufsize: Size of the buffer at @buf

fdt_create_empty_tree() creates a minimal empty device tree blob in the given buffer. The tree contains only a root node with no properties or subnodes.

returns: 0, on success -FDT_ERR_NOSPACE, if @bufsize is too small for even an empty tree