SLIRP_4.0 {
global:
    slirp_add_exec;
    slirp_add_guestfwd;
    slirp_add_hostfwd;
    slirp_cleanup;
    slirp_connection_info;
    slirp_init;
    slirp_input;
    slirp_pollfds_fill;
    slirp_pollfds_poll;
    slirp_remove_hostfwd;
    slirp_socket_can_recv;
    slirp_socket_recv;
    slirp_state_load;
    slirp_state_save;
    slirp_state_version;
    slirp_version_string;
local:
    *;
};

SLIRP_4.1 {
    slirp_new;
} SLIRP_4.0;

SLIRP_4.2 {
    slirp_add_unix;
    slirp_remove_guestfwd;
} SLIRP_4.1;