Array length counting anomaly
#include <stdio.h>
int len(int[]);

int main (int argc, const char * argv[])
{
    int a[]={1,2,3,4,5,6,7,8};
    int* i = a;
    printf("length is %d",(len(i)));
    return 0;
}

int len(int* a){
    int count = 0;
    for (; *a!=' '; a++) {
        count++;
    }
    return count; 
}
	
size_t length = sizeof(a) / sizeof(a[0]);
	
int a[] = {1,2,3,4,5,6,7,8};
size_t length = sizeof(a) / sizeof(a[0]); 

// In this case, sizeof(a[0]) 
// is the same as sizeof(int), because it's an int array.
	
int *a = malloc(sizeof(int) * 10);
size_t length = sizeof(a) / sizeof(a[0]); // WRONG!