fixing_c_switch.c

#define case(__x__) break; case __x__
#define fallthrough(__x__) case __x__
#define otherwise break; default

#include <assert.h>
#include <stdio.h>

int main(int argc, char **argv) {
  switch(argc) {
      case(0): printf("surprising\n");
      case(1): printf("no argument given\n");
      case(2): printf("a single argument given %s\n", argv[1]);
      case(3): fallthrough(4): fallthrough(5): printf("between 2 and 4 arguments given\n");
      otherwise: printf("over 4 arguments given\n");
  }
  return 0;
}