Perl endnetent用法及代码示例

描述

此函数告诉系统您不再期望使用 getnetent 从网络列表中读取条目。

用法

以下是此函数的简单语法 âˆ'

endnetent

返回值

此函数不返回任何值。

示例

以下是显示其基本用法的示例代码 -

#!/usr/bin/perl

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;

当上面的代码被执行时，它会产生下面的结果——

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