1#define _BSD_SOURCE
 2#include <stdlib.h>
 3
 4typedef int (*cmpfun)(const void *, const void *);
 5
 6static int wrapper_cmp(const void *v1, const void *v2, void *cmp)
 7{
 8	return ((cmpfun)cmp)(v1, v2);
 9}
10
11void qsort(void *base, size_t nel, size_t width, cmpfun cmp)
12{
13	__qsort_r(base, nel, width, wrapper_cmp, (void *)cmp);
14}