1 #include <stdio.h> 2 foo(int i)3 void foo(int i) { 4 printf("foo %d\n", i); 5 } 6 main()7 int main() { 8 printf("start\n"); 9 for (int i = 0; i < 4; i++) 10 foo(i); 11 printf("end\n"); 12 return 0; 13 } 14