text: #include <bicycles/hash.h>
  #include <stdio.h>
  #include <stdlib.h>
  
  int main(int argc, char** argv) {
    for (int i = 0; i < argc; i++)
      printf("djb2(%s)=%lu\n", argv[i], djb2(argv[i]));
    return EXIT_SUCCESS;
  }