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2009-11-19 15:41
/*
va_list vl; //¶¨ÒåÒ»¸öÖ¸Ïò²ÎÊýÁбíµÄ±äÁ¿(Ò»¸ö...Ö¸Õë)
va_start(vl,first_param); //°ÑÖ¸Ïò²ÎÊýÁбíµÄ±äÁ¿³õʼ»¯
va_arg(vl,mode); //»ñÈ¡ÏÂÒ»¸ö²ÎÊý,²ÎÊýÀàÐÍÓɵڶþ¸ö²ÎÊýÖ¸¶¨,µÚ¶þ¸ö²ÎÊýÓÃÓÚÔÚva_argÄÚ²¿½øÐÐ³ß´ç¼ÆËã,ÒÔ±ãÕÒµ½ÏÂÒ»¸ö²ÎÊý
va_end(vl); //½áÊø
*/
#include <iostream>
#include <cstdarg> //Í·Îļþ°üº¬:C++ <cstdarg>; C <stdarg.h>
using namespace std;
void variable(int i,...)
{
      int j=0;
      va_list arg_ptr; //¶¨ÒåÒ»¸öÖ¸Ïò²ÎÊýÁбíµÄ±äÁ¿
      va_start(arg_ptr,i); //°ÑÖ¸Ïò²ÎÊýÁбíµÄ±äÁ¿³õʼ»¯
      while(j!=-1) //×Ô¶¨ÒåµÄÒ»¸ö²ÎÊý½áÊø±êÖ¾
      {
             j=va_arg(arg_ptr,int); //»ñÈ¡ÏÂÒ»¸ö²ÎÊý
             printf("%d ",j);
      }
      va_end(arg_ptr); //½áÊø
}
int main()
{
      variable(3,3,4,5,6,-1);
      return 0;
}
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int printf( const char* format, ...);
Ëü³ýÁËÓÐÒ»¸ö²ÎÊýformat¹Ì¶¨ÒÔÍâ,ºóÃæ¸úµÄ²ÎÊýµÄ¸öÊýºÍÀàÐÍÊǿɱäµÄ£¨ÓÃÈý¸öµã"…"×ö²ÎÊýռλ·û£©,ʵ¼Êµ÷ÓÃʱ¿ÉÒÔÓÐÒÔϵÄÐÎʽ:
printf("%d",i);
printf("%s",s);
printf("the number is %d ,string is:%s", i, s);   
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¶þ¡¢¿É±ä²ÎÊýÔÚ±àÒëÆ÷ÖеĴ¦Àí
ÎÒÃÇÖªµÀva_start,va_arg,va_end ÊÇÔÚstdarg.hÖб»¶¨Òå³ÉºêµÄ, ÓÉÓÚ1)Ó²¼þƽ̨µÄ²»Í¬ 2)±àÒëÆ÷µÄ²»Í¬,ËùÒÔ¶¨ÒåµÄºêÒ²ÓÐËù²»Í¬,ÏÂÃæ¿´Ò»ÏÂVC++6.0ÖÐstdarg.hÀïµÄ´úÂ루ÎļþµÄ·¾¶ÎªVC°²×°Ä¿Â¼ÏµÄ\vc98 \include\stdarg.h£©
typedef char *     va_lis


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