Product Documentation

FairCom ISAM for C

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Extended 8-byte index file creation.

Short Name



Low-Level data file function


COUNT CreateIndexFileXtd8(FILNO keyno, pTEXT filnam,

COUNT keylen, COUNT keytyp, COUNT keydup,

COUNT nomemb, UCOUNT xtdsiz, COUNT filmod,

LONG permmask, pTEXT groupid, pTEXT fileword,

pXCREblk pxcreblk)


In V12 the file number typedef was formally changed from COUNT, a two-byte value to FILNO, a four-byte value. Refer to this link for compatibility details. Four Byte File Numbering

CreateIndexFileXtd8() is a variation of CreateIndexFile() that permits the use of huge file support. This section expands on the description of CreateIndexFile() and CreateIndexFileXtd().

pxcreblk points to an XCREblk structure, the extended creation block. For more information, review Huge File Support.


CreateIndexFileXtd8() returns similar error codes to those for CreateIndexFile() and CreateIndexFileXtd(). See FairCom DB Error Codes for a complete listing of valid FairCom DB error values.

See also

InitCTree, CreateIndexFile, CreateDataFile, CreateIndexFileXtd