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Hdf rm anchor
AnchorNamesummary

Excerpt

Removes a conversion function.

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Hdf rm anchor
AnchorNameprocedure

Procedure:
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H5T_UNREGISTER(type, name, src_id, dst_id, func)

Hdf rm anchor
AnchorNamesignature

Signature:
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<pre><code class="language-c">herr_t H5Tunregister( H5T_pers_t type, const char *name, hid_t src_id, hid_t dst_id, H5T_conv_t func )</code></pre>

Hdf rm anchor
AnchorNameparameters

Parameters:
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H5T_pers_t typeIN: Conversion function type:
H5T_PERS_HARD for hard conversion functions or 
H5T_PERS_SOFT for soft conversion functions.
const char *nameIN: Name displayed in diagnostic output.
hid_t src_idIN: Identifier of source datatype.
hid_t dst_idIN: Identifier of destination datatype.
H5T_conv_t func    IN: Function to convert between source and destination datatypes.

Hdf rm anchor
AnchorNamedescription

Description:
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H5Tunregister removes a conversion function matching criteria such as soft or hard conversion, source and destination types, and the conversion function.

If a user is trying to remove a conversion function he registered, all parameters can be used. If he is trying to remove a library’s default conversion function, there is no guarantee the name and func parameters will match the user’s chosen values. Passing in some values may cause this function to fail. A good practice is to pass in NULL as their values.

All parameters are optional. The missing parameters will be used to generalize the search criteria.

The conversion function pointer type declaration is described in H5Tregister.

Hdf rm anchor
AnchorNamereturns

Returns:
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Returns a non-negative value if successful; otherwise returns a negative value.

Hdf rm anchor
AnchorNameexample

Example:
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Bitbucket Server file
repoSlughdf5
branchIdrefs/heads/1.10/master
projectKeyHDFFV
filepathexamples/h5_subset.c
showLineNumberstrue
lineStart32
progLangcpp
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applicationLink5ac7b370-7412-3c8c-ad20-807a68261336

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Bitbucket Server file
repoSlughdf5
branchIdrefs/heads/1.10/master
projectKeyHDFFV
filepathfortran/examples/compound.f90
showLineNumberstrue
lineStart25
progLangplain
lineEnd35
applicationLink5ac7b370-7412-3c8c-ad20-807a68261336

Hdf rm anchor
AnchorNamehistory

History:
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Release    C
1.6.3The following change occurred in the H5Tconv_t function:
   nelmts parameter type changed to size_t.