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Hexist

intn Hexist(int32 h_id, uint16 search_tag, uint16 search_ref)
h_id

IN:

Access identifier returned by Hstartread, Hstartwrite, or Hnextread

search_tag

IN:

Tag of the object to be searched for

search_ref

IN:

Reference number of the object to be searched for

Purpose

Locates an object in an HDF file.

Return value

Returns SUCCEED (or 0) if successful and FAIL (or -1) otherwise.

Description

Simple interface to Hfind that determines if a given tag/reference number pair exists in a file. Wildcards apply..

Hfind performs all validity checking; this is just a very simple wrapper around it.



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HDF User's Reference Manual, Draft 06/09/97, NCSA HDF Development Group.