qsort

qsort, qsort_s

Defined in header <stdlib.h>
void qsort( void *ptr, size_t count, size_t size,
            int (*comp)(const void *, const void *) );
(1)
errno_t qsort_s( void *ptr, rsize_t count, rsize_t size,
                 int (*comp)(const void *, const void *, void *),
                 void *context );
(2) (since C11)
1) Sorts the given array pointed to by ptr in ascending order. The array contains count elements of size bytes. Function pointed to by comp is