#if defined(SORT_VAR_KEY) || defined(SORT_VAR_DATA) || defined(SORT_UNIFY_WORKSPACE)
#include "lib/sorter/s-internal.h"
#else
#if defined(SORT_VAR_KEY) || defined(SORT_VAR_DATA) || defined(SORT_UNIFY_WORKSPACE)
#include "lib/sorter/s-internal.h"
#else
ctx.internal_sort = P(internal);
ctx.internal_estimate = P(internal_estimate);
ctx.twoway_merge = P(twoway_merge);
ctx.internal_sort = P(internal);
ctx.internal_estimate = P(internal_estimate);
ctx.twoway_merge = P(twoway_merge);