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scdnbfrsz         Get or set cache size in pages
scdnclose         Close index file
scdncreate        Create an empty index file
scdnexpr          Get index key expression
scdnflush         Flush all buffered page data to disk
scdnhget          Read index file header
scdnindex         Create and build index file
scdninfo          Get information about index file
scdnkadd          Add key to index file
scdnkbot          Reposition key pointer to bottom of index file
scdnkcur          Get current key and data record number
scdnkdate         Make index key from date string
scdnkdel          Delete key from index file
scdnkfind         Find key in an index file
scdnkmake         Make key from contents of data record
scdnknext         Skip to the next key in the index file
scdnkprev         Skip to previous key in index file
scdnktop          Reposition key pointer to beginning of file
scdnopenx         Open index file