Perl endnetent 函数

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  描述

  endnetent 告诉系统您不再希望使用getnetent从网络列表中读取条目。
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  句法

  以下是此函数的简单语法-

  
  endnetent
  

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  返回值

  此函数不返回任何值。
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  示例

  以下是显示其基本用法的示例代码-

   
  use Socket;
  
  while ( ($name, $aliases, $addrtype, $net)  = getnetent() ) {
  
     print "Name = $name\n";
     print "Aliases = $aliases\n";
     print "Addrtype = $addrtype\n";
     print "Net = $net\n";
  }
  
  setnetent(1); # Rewind the database;
  
  while ( ($name, $aliases, $addrtype, $net)  = getnetent() ) {
  
     print "Name = $name\n";
     print "Aliases = $aliases\n";
     print "Addrtype = $addrtype\n";
     print "Net = $net\n";
  }
  
  endnetent();  # Closes the database;
  

  尝试一下

  执行结果：

  
  Name = default
  Aliases = 
  Addrtype = 2
  Net = 0
  Name = loopback
  Aliases = 
  Addrtype = 2
  Net = 2130706432
  Name = link-local
  Aliases = 
  Addrtype = 2
  Net = 2851995648
  Name = default
  Aliases = 
  Addrtype = 2
  Net = 0
  Name = loopback
  Aliases = 
  Addrtype = 2
  Net = 2130706432
  Name = link-local
  Aliases = 
  Addrtype = 2
  Net = 2851995648