Function libfuse_sys::helpers::fuse_ll_ops_on_unlink

pub unsafe extern "C" fn fuse_ll_ops_on_unlink(
    op: *mut fuse_lowlevel_ops, 
    unlink: Option<unsafe extern "C" fn(_: fuse_req_t, _: fuse_ino_t, _: *const c_char)>
)