subject_58785.htm

vc

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序号：58785 发表者：pornomilon 发表日期：2003-11-03 17:41:57
<br>主题：求助，一个关于c++的问题？
<br>内容：我买了一本《c++编程百例》的书，照这上面将程序打进去，运行时出现如下错误：Compiling...<BR>SCREEN.CPP<BR>e:\screen.cpp(20) : error C4226: nonstandard extension used : 'far' is an obsolete keyword<BR>e:\\screen.cpp(20) : error C4226: nonstandard extension used : 'far' is an obsolete keyword<BR>e:\screen.cpp(27) : error C2065: 'clrscr' : undeclared identifier<BR>e:\screen.cpp(28) : warning C4018: '&lt;' : signed/unsigned mismatch<BR>e:\screen.cpp(34) : warning C4018: '&lt;' : signed/unsigned mismatch<BR>e:\screen.cpp(37) : error C2065: 'delay' : undeclared identifier<BR>不知道时什么原因，是编译器的原因还是程序本身有问题。请多多指教！！<BR>程序原形如下：#include &lt;string.h&gt;<BR>#include&nbsp;&nbsp;&lt;stdio.h&gt;<BR>#include&nbsp;&nbsp;&lt;conio.h&gt;<BR>#include&nbsp;&nbsp;&nbsp;&nbsp;&lt;dos.h&gt;<BR><BR>#define SCREEN (*SCREENPOINTER)<BR>#define&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ROW 25<BR>#define&nbsp;&nbsp; COLUMN 80<BR><BR>typedef struct TEXT<BR>{<BR>&nbsp;&nbsp;&nbsp;&nbsp;unsigned char CHAR;<BR>&nbsp;&nbsp;&nbsp;&nbsp;unsigned char ATTRIBUTE;<BR>}TEST;<BR><BR>typedef TEST SCREENARRAY[ROW][COLUMN];<BR>SCREENARRAY far *SCREENPOINTER=(SCREENARRAY far *)0xb8000000l;<BR><BR>char HELLO[]=&#34;HELLO CHINA!&#34;;<BR><BR>int main(void)<BR>{<BR>&nbsp;&nbsp;&nbsp;&nbsp;int CIRCLE,CIRCLE1;<BR>&nbsp;&nbsp;&nbsp;&nbsp;clrscr();<BR>&nbsp;&nbsp;&nbsp;&nbsp;for(CIRCLE=0;CIRCLE&lt;strlen(HELLO);CIRCLE++)<BR>&nbsp;&nbsp;&nbsp;&nbsp;{<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;SCREEN[10][CIRCLE].CHAR=HELLO[CIRCLE];<BR>&nbsp;&nbsp;&nbsp;&nbsp;}<BR>&nbsp;&nbsp;&nbsp;&nbsp;getch();<BR>&nbsp;&nbsp;&nbsp;&nbsp;for(CIRCLE1=5;CIRCLE1&lt;15;CIRCLE1++)<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;for(CIRCLE=0;CIRCLE&lt;strlen(HELLO);CIRCLE++)<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;SCREEN[10][CIRCLE].ATTRIBUTE=CIRCLE1;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;delay(10);<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<BR>&nbsp;&nbsp;&nbsp;&nbsp;getch();<BR>&nbsp;&nbsp;&nbsp;&nbsp;return 0;<BR>}<BR>
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<font color=red>答案被接受</font><br>回复者：金枪鱼 回复日期：2003-11-04 13:26:54
<br>内容：你是什么编译器啊？<BR><BR>你的书似乎太老了！！！<BR>far/near这样的关键词在VC中已经废止了。好像使用Turbo C2.0中可以。clrscr也是太老的清屏函数。
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