#include
#include
#define SIZE 10
#define GET_ARR_SIZE(arr,len) {len = sizeof(arr)/sizeof(arr[0]);}
void showArr(const int *arr,int num);
void multArr( int *arr,int num,int mult);
int main()
{
const int array[SIZE]={1,2,4,4,5,6,6,3,3,1};
int len;
GET_ARR_SIZE(array,len);
// *(array + 3) =2;
printf("len of array is %d\n\n",len);
showArr(array,len);
multArr(array,len,3);
showArr(array,len);
return 0;
}
void showArr(const int *arr,int num)
{ int index;
for(index = 0; index < num; index++)
{
printf(" arr[%d] is %d\n",index,arr[index]);
}
printf("show over\n\n\n");
return 0;
}
void multArr( int *arr,int num,int mult)
{ int index;
for(index = 0; index < num; index++)
{
*arr = *arr*mult;
arr++;
}
return 0;
}
array明明已经被const限制了,为什么multArr函数还能修改array?