Function libssh2_sys::libssh2_knownhost_addc

pub unsafe extern fn libssh2_knownhost_addc(hosts: *mut LIBSSH2_KNOWNHOSTS,
                                            host: *const c_char,
                                            salt: *const c_char,
                                            key: *const c_char,
                                            keylen: size_t,
                                            comment: *const c_char,
                                            commentlen: size_t,
                                            typemask: c_int,
                                            store: *mut *mut libssh2_knownhost)
                                            -> c_int