Upon successful completion, 0 is returned.
On failure, a non-negative integer is returned to indicate an error.
PICL_PROPNOTFOUND is returned if the property
of the specified name does not exist.
PICL_RESERVEDNAME is returned if the property
name specified is one of the reserved property names.
PICL_STALEHANDLE is returned if the handle
is no longer valid. This occurs if the PICL tree was refreshed or reinitialized.
PICL_INVALIDHANDLE is returned if the specified
handle never existed. This error may be returned for a previously valid
handle if the daemon was brought down and restarted. When this occurs a
client must revalidate any saved handles.
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