NAME
    cgIsState - determine if a CGstate references a Cg valid state

SYNOPSIS
      #include <Cg/cg.h>

      CGbool cgIsState(CGstate state);

PARAMETERS
    state   Specifies the state handle to check.

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

ERRORS
    This function generates no errors.

SEE ALSO
    the cgCreateState manpage

