C code by appunti2 - 7 lines

Link:

appunti2 - C, pasted on Apr 30:

#include <stdio.h>
#define UNISCI(A, B) A ## B
int main (void)
{
  printf ("%i\n", UNISCI(1234, 5678));
  return 0;
}

Output:

12345678