希尔排序有着特殊的优点，对于特定的数据，排序速度很快。本代码用c语言实现了算法功能。-Hill has a special sort of advantage, for specific data, sorted quickly. This code implements the algorithm using c language function.

多个排序函数实现排序功能、包括选择排序，堆排序，希尔排序，插入排序，冒泡排序，快速排序。-Multiple sort function to achieve the sort functions, including selection sort, heap sort, Hill sort, insertion sort, bubble sort, quick sort.