RubyとC言語でTab区切りのCSVっぽいのを配列に読み込む比較

reader.c

  fp = fopen(argv[1], "r");
  if(! fp)
  {
    printf("can't open %s\n", argv[1]);
    return 1;
  }
  
  i = 0;
  mode = 0; /* 0=>name, 1=>point */
  while ((ch = fgetc(fp)) != EOF) {
    switch(ch)
    {
      case '\t':
      if(mode==0)
        users[i].name[j] = '\0';
      mode = 1;
      break;
      
      case '\n':
      i++;
      users[i].point = 0;
      mode = 0;
      j = 0;
      break;
      
      default:
      switch(mode)
      {
        case 0:
        users[i].name[j] = ch;
        j++;
        break;
        
        case 1:
        users[i].point = users[i].point*10 + ( ch - '0' );
        break;
      }
    }
  }
  
  fclose(fp);

reader.rb

str = File.read("./sys-prog-ex2-data.txt")

list = str.each_line.map do |line|
    /\A([[:alpha:]]+)\t+(\d+)\n?\Z/ =~ line
    [$1, $2.to_i]
  end