cfga_vers_ops
struct cfga_vers_ops *vers_ops; /* version dependant routines */
libp->vers_ops = &cfga_vers_ops[plug_vers];
static struct cfga_vers_ops cfga_vers_ops[CFGA_HSL_VERS + 1] = {
#define VERS_ARRAY_SZ (sizeof (cfga_vers_ops)/sizeof (cfga_vers_ops[0]))
struct cfga_vers_ops;