Qsort quick sort qsort char *base int n int size int (* compfunc) void *, void * Qsort implements the quick-sort algoritm for sortig an arbitrary array of items. "Base" is the address of the array of "n" items of size "size". "Compfunc" is a pointer to a comparison routine supplied by the user. It will be called by qsort with two pointers to items in the array for comparison and should return an integer which is less than, equal to, or greater than 0 where, respectively, the first item is less than, equal to, or greater than the second.