Function libe2fs_sys::ext2fs_adjust_ea_refcount3

pub unsafe extern "C" fn ext2fs_adjust_ea_refcount3(
    fs: ext2_filsys,
    blk: blk64_t,
    block_buf: *mut c_char,
    adjust: c_int,
    newcount: *mut __u32,
    inum: ext2_ino_t
) -> errcode_t