C Constructor/Destructor Example

#include <stdio.h>
#include <stdlib.h>

__attribute__((constructor)) void goFirst (void) {
  puts("I go first!");
}

__attribute__((destructor)) void goLast (void) {
  puts("I go last!");
}

int main(void) {
  puts("I go whenever the system feels like it. I can haz no power :(");
  return 0;
}