1 #define _BSD_SOURCE 2 #include <stdlib.h> 3 4 typedef int (*cmpfun)(const void *, const void *); 5 wrapper_cmp(const void * v1,const void * v2,void * cmp)6static int wrapper_cmp(const void *v1, const void *v2, void *cmp) 7 { 8 return ((cmpfun)cmp)(v1, v2); 9 } 10 qsort(void * base,size_t nel,size_t width,cmpfun cmp)11void qsort(void *base, size_t nel, size_t width, cmpfun cmp) 12 { 13 __qsort_r(base, nel, width, wrapper_cmp, (void *)cmp); 14 } 15