指针

#include <stdio.h>

int main (void)
{
    char **a,*s[]={"123","456","789"},s1[][5]={"aaa","bbb","ccc"};

    a=s;

    printf("%c %c",*a[1],(*a)[1]);
}

 

#include <stdio.h>

int main (void)
{
    int a[3][3]={{1,2,3},{4,5,6},{7,8,9}},*pp;
    int i=0,j=0;
    double **p,*p1;

    printf("%x\n",a[0]);
    for(i=0;i<3;i++)
        for(j=0;j<3;j++)
    printf("%d ",*(*(a+i)+j));

    for (i=0;i<4;i++)
    {
        printf("\ndouble **%x double*%x int *%x\n",p++,p1++,pp++);
    }

    return 0;
}