NAME
    cgIsState - determine if a state handle references a valid state

SYNOPSIS
      #include <Cg/cg.h>

      CGbool cgIsState( CGstate state );

PARAMETERS
    state   The state handle to check.

RETURN VALUES
    Returns CG_TRUE if state references a valid state.

    Returns CG_FALSE otherwise.

DESCRIPTION
    cgIsState returns CG_TRUE if state references a valid state, CG_FALSE
    otherwise.

EXAMPLES
    *to-be-written*

ERRORS
    None.

HISTORY
    cgIsState was introduced in Cg 1.4.

SEE ALSO
    the cgCreateState manpage

