#define N 4
int fun(int (*p)[N],int m,int *q)
{int i=0,n,*s;
n=N*m;
s=(int *)p;
for(i=0;i<n;i++)
*(q+i)=*(s+i);
return n;

}
main()
{int a[5][N]={{11,12,13,14},{21,22,23,24},{31,32,33,34},{41,42,43,44},{51,52,53,54}},b[20]={0},i,len;
len=fun(a,5,b);
for(i=0;i<len;i++)
{printf("%4d",b[i]);
if(i%4==3)
printf("\n");
}
}
****************************************************
#define N 4
int fun(int (*p)[N],int m,int *q)
{int i=0,n;
n=N*m;
p=(int *)p;
for(i=0;i<n;i++)
*(q+i)=*(p+i);
return n;

}
main()
{int a[5][N]={{11,12,13,14},{21,22,23,24},{31,32,33,34},{41,42,43,44},{51,52,53,54}},b[20]={0},i,len;
len=fun(a,5,b);
for(i=0;i<len;i++)
{printf("%4d",b[i]);
if(i%4==3)
printf("\n");
}
}

#include <stdio.h>

#define N 4

int fun(int (*p)[N],int m,int *q)
{
int i=0,n=N*m;
p=(int *)p;//这是废语句！p的属性并不会因此改变！
for(i=0;i<n;i++)
//因而此句*(q+i)=*(p+i);应调整为
*(q+i)=*(*(p+i/N)+i%N);
return n;
}

main()
{
int a[5][N]={{11,12,13,14},{21,22,23,24},{31,32,33,34}
,{41,42,43,44},{51,52,53,54}}
,b[20]={0},i,len;

len=fun(a,5,b);
for(i=0;i<len;i++)
{
printf("%4d",b[i]);
if(i%4==3)
printf("\n");
}
}

p=(int *)p;//这是废语句！p的属性并不会因此改变！
为什么啊!呵呵!我是自学的,好多地方不懂!