Function bpf_map_lookup_and_delete_element 

pub fn bpf_map_lookup_and_delete_element(
    map: BorrowedFd<'_>,
    key: Option<&[u8]>,
    value_out: &mut [u8],
    flags: BpfMapLookupFlags,
) -> Result<(), Errno>

BPF_MAP_LOOKUP_AND_DELETE_ELEM — lit puis retire (cartes Queue/Stack).

Errors

• [Errno::ENOENT] : carte vide / clé absente.