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| subroutine  | h5vlclose_f (vol_id, hdferr) | 
|   | Closes a VOL connector ID.  
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| subroutine  | h5vlcmp_connector_cls_f (are_same, conn_id1, conn_id2, hdferr) | 
|   | Determines whether two connector identifiers refer to the same connector.  
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| subroutine  | h5vlget_connector_id_by_name_f (name, vol_id, hdferr) | 
|   | Retrieves the ID for a registered VOL connector.  
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| subroutine  | h5vlget_connector_id_by_value_f (value, vol_id, hdferr) | 
|   | Retrieves the ID for a registered VOL connector.  
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| subroutine  | h5vlget_connector_id_f (obj_id, vol_id, hdferr) | 
|   | Retrieves the ID for a registered VOL connector.  
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| subroutine  | h5vlget_connector_name_f (obj_id, name, hdferr, name_len) | 
|   | Retrieves a connector name for a VOL.  
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| subroutine  | h5vlis_connector_registered_by_name_f (name, registered, hdferr) | 
|   | Determines whether a VOL class has been registered or not ccording to a specified connector name.  
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| subroutine  | h5vlis_connector_registered_by_value_f (value, registered, hdferr) | 
|   | Determines whether a VOL class has been registered or not according to a specified connector value (ID).  
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| subroutine  | h5vlnative_addr_to_token_f (loc_id, addr, token, hdferr) | 
|   | Retrieves the token representation from an address for a location identifier.  
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| subroutine  | h5vlnative_token_to_addr_f (loc_id, token, addr, hdferr) | 
|   | Retrieves the object address from a token representation for a location identifier.  
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| subroutine  | h5vlregister_connector_by_name_f (name, vol_id, hdferr, vipl_id) | 
|   | Registers a new VOL connector as a member of the virtual object layer class by name.  
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| subroutine  | h5vlregister_connector_by_value_f (connector_value, vol_id, hdferr, vipl_id) | 
|   | Registers a new VOL connector by value.  
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| subroutine  | h5vlunregister_connector_f (plugin_id, hdferr) | 
|   | Removes a VOL connector ID from the library.  
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