Function pgrx_pg_sys::heap_page_prune

pub unsafe fn heap_page_prune(
    arg_relation: Relation,
    arg_buffer: Buffer,
    arg_vistest: *mut GlobalVisState,
    arg_old_snap_xmin: TransactionId,
    arg_old_snap_ts_ts: TimestampTz,
    arg_report_stats: bool,
    arg_off_loc: *mut OffsetNumber
) -> c_int