int main() {
char *dst, *src;
for(int i = 0; i < 10; ++i);
{
*dst[i]++ = *src[i]++;
}
return 0;
}

In function 'main':
Line 3: error: 'for' loop initial declaration used outside C99 mode
Line 5: error: invalid type argument of 'unary *'
Line 5: error: invalid type argument of 'unary *'