Function libgit2_sys::git_packbuilder_write

pub unsafe extern "C" fn git_packbuilder_write(
    pb: *mut git_packbuilder, 
    path: *const c_char, 
    mode: c_uint, 
    progress_cb: Option<git_transfer_progress_cb>, 
    progress_cb_payload: *mut c_void
) -> c_int