Returns the number of identifiers in a given identifier type

Procedure:

H5I_NMEMBERS(type, num_members)

Signature:

<pre><code class="language-c">herr_t H5Inmembers( H5I_type_t type, hsize_t *num_members )</code></pre>

Parameters:
H5I_type_t typeIN: Identifier for the identifier type whose member count will be retrieved
hsize_t *num_members    OUT: Number of identifiers of the specified identifier type

Description:

H5I_NMEMBERS returns the number of identifiers of the identifier type specified in type.

The number of identifiers is returned in num_members. If no identifiers of this type have been registered, the type does not exist, or it has been destroyed, num_members is returned with the value 0.

Returns:

Returns a non-negative value on success; otherwise returns negative value.

Example:

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