#include <stdio.h>
#include <string.h>
void fun(int b[100])
{
printf("sizeof(b) is %d\n",sizeof(b));
}
int main(void)
{
int *p=NULL;
int a[100];
int b[100];
printf("sizeof(p) is %d\n",sizeof(p));
printf("sizeof(*p) is %d\n",sizeof(*p));
printf("sizeof(a[100]) is %d\n",sizeof(a[100]));
printf("sizeof(a[99]) is %d\n",sizeof(a[99]));
printf("sizeof(a) is %d\n",sizeof(a));
printf("sizeof(&a) is %d\n",sizeof(&a));
printf("sizeof(b) is %d\n",sizeof(b));
printf("sizeof(&b) is %d\n",sizeof(&b));
printf("sizeof(&a[0] is %d\n",sizeof(&a[0]));
printf("sizeof(&b[0] is %d\n",sizeof(&b[0]));
//
fun(b);
return 1;
}
-------------------------------------------------------------------输出结果
sizeof(p) is 4
sizeof(*p) is 4
sizeof(a[100]) is 4
sizeof(a[99]) is 4
sizeof(a) is 400
sizeof(&a) is 400
sizeof(b) is 400
sizeof(&b) is 400
sizeof(&a[0] is 4
sizeof(&b[0] is 4
sizeof(b) is 4
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Sizeof
原文：http://blog.csdn.net/huyue091714213/article/details/45064583
