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C ÓïÑÔ É¾³ýÎļþÖеÄÒ»ÐÐ - C/C++ / CÓïÑÔ

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02:bbbbbbbbb
03:cccccccccccc
04:ddddddddddd
05:eeeeeeeeee


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02:bbbbbbbbb
04:ddddddddddd
05:eeeeeeeeee

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¸Õ²ÅдÈëµÄÎļþÖÐ,×îºóɾ³ýÔ­À´µÄÎļþ,ÖØÐÂÃüÃûÏÖÔÚÎļþ°¡. 


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you are right.Just do it.

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ɾ³ýÎļþÀïµÄÒ»ÐÐÄÚÈÝ,ºóÃæµÄÐÐÏòÇ°ÒÆ¶¯Ò»ÐУ¬Çå¿Õ×îºóÒ»ÐУ¬³ÌÐòÈçÏ£º

¼Ù¶¨Ò»Ðв»³¬¹ý1000×Ö·û£¬
ɾȥµÚ3ÐУ¬L=3.  
ÊäÈëÊä³öÎļþÃû a.txt


C/C++ code:
#include<stdio.h>

void main()
{
FILE *fin;
fpos_t pos_w,pos_r,pos;
int i,k,L=3;
char *one_line;

one_line = (char *) malloc(1000*sizeof(char));

fin = fopen ("a.txt","rb+");
for (i=1;i<L;i++) fgets(one_line,999,fin);

fgetpos (fin,&pos_w);
fgets(one_line,999,fin); // delete
fgetpos (fin,&pos_r);
pos = pos_r;

while (1 == 1)
{
fsetpos (fin,&pos);
if (fgets(one_line,999,fin) ==NULL) break;
fgetpos (fin,&pos_r);
pos = pos_w;
fsetpos (fin,&pos);
fprintf(fin,"%s",o


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linux»·¾³ÏÂgethostbynameº¯ÊýÎÊÌâ - C/C++ / CÓïÑÔ

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  struct hostent *hp; 
char AlarmDevIP[20];  
  int x2;

hp = gethostbyname("www.google.com");
if (hp)
{ ......

VFPÈçºÎµ÷ÓÃCº¯Êý - ÆäËûÊý¾Ý¿â¿ª·¢ / VFP

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execlÔõôµ÷ÓÃjava³ÌÐò - C/C++ / CÓïÑÔ

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execl("/opt/java1.5/bin/java","MyClass",NULL);
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