NAME
    cgIsAnnotation - determine if an annotation handle references a valid
    annotation

SYNOPSIS
      #include <Cg/cg.h>

      CGbool cgIsAnnotation( CGannotation ann );

PARAMETERS
    ann     The annotation handle to check.

RETURN VALUES
DESCRIPTION
    cgIsAnnotation returns CG_TRUE if ann references a valid annotation,
    CG_FALSE otherwise.

EXAMPLES
    *to-be-written*

ERRORS
    cgIsAnnotation does not generate any errors.

HISTORY
    cgIsAnnotation was introduced in Cg 1.4.

SEE ALSO
    function1text, function2text

