程序代码：

#include<stdio.h>
#include<string.h>
void sort(char *a[], int n)
{
    int i, j, m;
    char **p, *t;
    p = a;
    for (i = 0; i < n - 1; i++)
    {
        m = i;
        for (j = i + 1; j < n; j++)
            if (strcmp(p[m], p[j]) > 0)
                m = j;
        if (i != m)
        {
            t = p[i];
            p[i] = p[m];
            p[m] = t;
        }
    }
}

void print(char *a[], int n)
{
    int i;
    char **p;
    p = a;
    for (i = 0; i < n; i++)
        printf("%s\n", p[i]);
}

int main()
{
    void sort(char *a[], int n);
    void print(char *a[], int n);
    char *a[5] = { "hello","you","want","eat","something" };
    char **p;
    p = a;
    sort(p, 5);
    print(p, 5);
    return 0;
}