#include <stdio.h>
#include <string.h>

int main(int argc, char *argv[]) {
  unsigned short s;
  int i;
  char buf[80];
  if(argc < 3){
    return -1;
  }

  i = atoi(argv[1]);
  s = i;

  if(s >= 80) {  /* [w1] */
    printf("Oh no you don't!\n");
    return -1;
  }

  printf("s = %d\n", s);

  memcpy(buf, argv[2], i);
  buf[i] = '\0';
  printf("%s\n", buf);

  return 0;
}