NAME
    cgIsContext - determine if a CGcontext references a Cg valid context

SYNOPSIS
      #include <Cg/cg.h>

      CGbool cgIsContext(CGcontext ctx);

PARAMETERS
    ctx     Specifies the context handle to check.

DESCRIPTION
    cgIsContext returns CG_TRUE if ctx references a valid context, CG_FALSE
    otherwise.

ERRORS
SEE ALSO
    the cgCreateContext manpage, the cgDestroyContext manpage

