Name

PQSTST − Returns structure status indicator. 

Operating States: PHOP, ∗, ∗, ∗
PHIGS standard function
 

Syntax

PQSTST (STRID, ERRIND, STRSTI)

Argument          Data Type      Access    Description
---------------------------------------------------------------------------
STRID             Integer        Read      Structure identifier
ERRIND            Integer        Write     Error indicator
STRSTI            Integer        Write     Structure status indicator
---------------------------------------------------------------------------

Constants

Defined Argument     Constant     Description
---------------------------------------------------------------------------
STRSTI               PSNOEX       Structure does not exist.
                     PSEMPT       Structure is empty.
                     PSNEMP       Structure is not empty.
---------------------------------------------------------------------------

Description

PQSTST returns a structure status indicator of PSNEMP, except as follows:

•If the specified structure does not exist, the function returns a structure status indicator of PSNOEX. 

•If the specified structure exists (that is, if the structure identifier is known to the system) but contains no elements, the function returns a structure status indicator of PSEMPT. 

See Also

PDST
PEMST
PQSID
PQSTST