Identify the entry point of this piece of code.
int main(int argc, char **argv) 
{
    int a;
    a = 5;
    printf("a is %d\n", a);
    return 0;
}
The entry point of this code is the main() function.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Identify the entry point of this piece of code.

### Response:
The entry point of this code is the main() function.