C lang:Array and Pointer formal parameter

Test
#Xx_Formal parameter

Formal parameter are local variable. It's private to the function.

#Ax_Array formal parameter
```
#include
#define SIZE 10
int sum(int ar[], int n);
int main(void)
{
int marbles[SIZE] = {20, 10, 5, 39, 4, 16, 19, 26, 31, 20};
long answer;

answer = sum(marbles, SIZE);
printf("The totla number of marbles is %ld.\n",answer);
printf("The size of marbles is %zd bytes.\n",sizeof marbles);

return 0;

}

int sum(int ar[], int n)

{

int i;

int total = 0;

for(i = 0; i < n; i++)
    total += ar[i];
printf("The size of ar is %u bytes.\n", sizeof ar);

return total;

}

||=== Build file: "no target" in "no project" (compiler: unknown) =|

C:\Users*\Desktop\1231.c||In function 'sum'