pub unsafe extern "C" fn proto_tree_add_boolean_bits_format_value(
tree: *mut proto_tree,
hf_index: c_int,
tvb: *mut tvbuff_t,
bit_offset: guint,
no_of_bits: gint,
value: guint32,
encoding: guint,
format: *const c_char,
...
) -> *mut proto_item