C语言实例68：排序函数qsort()

#include <stdio.h>
#include <stdlib.h>

int num[12] = {
14, 5, 9, 7, 6, 0, 91, 4, 1, 3, 2, 8
};

int comp(const void *, const void *);

int main(int argc, char *argv[])
{
    int i;
    printf("Original array: ");
    for(i = 0; i < 12; i++)
        printf("%d,", num[i]);
    printf("\n");

    qsort(num, 12, sizeof(int), comp);
    printf("Sorted array: ");
    for(i = 0; i < 12; i++)
        printf("%d,", num[i]);
    printf("\n");


    system("pause");
    return 0;
}

int comp(const void *i, const void *j)
{
    return *(int *)i - *(int *)j;
}