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Ager

mci2004 发表于 2012-10-10 16:04
回复 1# Ager

FILE *fp

是的。我写错了。已经改正。谢谢：）

mci2004

pmerofc 发表于 2012-10-10 16:47
你是说非函数原型形式的形参？
C89之前都这样
现在也能通过编译

恩 ，谢谢

Ager

pmerofc 发表于 2012-10-10 18:49
回复 1# Ager

17行 }  的位置似乎不对

是的，差一个缩进。我的错。已经改好了。谢谢：）

Ager

{:3_198:} 我头昏了    …… 好几处错。请各位再帮我看看 …… 谢谢：）

siseniao

我在C的标准库找到了这个函数，stdio.h里面

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L_kernel

Most buffer overflow problems in C can be traced directly back to the standard C library. The worst culprits are the problematic string operations that do no argument checking (strcpy, strcat, sprintf, gets). Generally speaking, hard and fast rules like "Avoid strcpy()" and "Never use gets()" are close to the mark.

Programs written today still make use of these calls, because developers are never taught to avoid them. Some people pick up a hint here and there, but even good developers can screw up. They may use homegrown checks on the arguments to dangerous functions, or incorrectly reason that the use of a potentially dangerous function is "safe" in some particular case.

因为和这个人说的差不多。