Function vlib_packet_template_init 

pub unsafe extern "C" fn vlib_packet_template_init(
    vm: *mut vlib_main_t,
    t: *mut vlib_packet_template_t,
    packet_data: *mut c_void,
    n_packet_data_bytes: uword,
    min_n_buffers_each_alloc: uword,
    fmt: *mut c_char,
    ...
)