pgrx_pg_sys

Function systable_beginscan

Source 
pub unsafe fn systable_beginscan(
    arg_heapRelation: Relation,
    arg_indexId: Oid,
    arg_indexOK: bool,
    arg_snapshot: Snapshot,
    arg_nkeys: c_int,
    arg_key: ScanKey,
) -> SysScanDesc