#include <stdlib.h>

typedef int (*cmpfun)(const void *, const void *);
typedef int (*cmpfun_r)(const void *, const void *, cmpfun);
void qsort_r(void *base, size_t nel, size_t width, cmpfun_r cmp, cmpfun arg);


static int wrapper_cmp(const void *v1, const void *v2, cmpfun cmp)
{
	return cmp(v1, v2);
}

void qsort(void *base, size_t nel, size_t width, cmpfun cmp)
{
	qsort_r(base, nel, width, wrapper_cmp, cmp);
}