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Ò»¸öCµÄ¿¼ÊÔÌâÄ¿! - C/C++ / CÓïÑÔ

C/C++ code:

#include "stdio.h"
Fun(int a)
{
int b=4;
static int c;
b++;
c++;
return (a+b+c);
}
void main()
{
int a=2,c=3;
printf("%d%d%d",Fun(c),Fun(a),Fun(Fun(c)));

}




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2¡¢printf´ÓÓÒÍù×ó¼ÆË㣬¾ÍÊÇÏÈËãFun(Fun(c))ÔÙËãFun(a)ÔÙËãFun(c),

a½ÐÈë²Î£»Ò²½ÐÐβΣ»ºÍº¯ÊýÄڵıäÁ¿ÊÇÒ»ÑùµÄ£»×÷ÓÃÓò ºÍÉú´æÊ±¼ä£»µ±È»ÁË£»Ò»°ãÊéÉϲ»ÕâÑù˵£»
cµ±È»Á˾ֲ¿±äÁ¿ÁË£»µ«ÊÇËûÊǾ²Ì¬µÄ£»ËûµÄÉú´æÖÜÆÚÊÇÕû¸ö´úÂëÔËÐÐÖÜÆÚ£»Ò²¾ÍÊÇ˵£»Äãÿ´Îµ÷ÓÃFUNº¯ÊýÓõͼÊÇͬһ¸öc;
  int a=2,c=3;
  printf("%d%d%d",Fun(c),Fun(a),Fun(Fun(c)));
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C/C++ code:
printf("%d%d%d",Fun(c),Fun(a),Fun(Fun(c)));
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printf Ó¦¸ÃÊÇ´ÓÓÒÏò×ó __cdecl£¬ CÓïÑÔÓ¦¸Ã¶¼ÊÇÕâÑù
FUNC£¨FUNC£¨C£©£© = 3+5+1 = 9 È»ºó 9+5+2 = 16 ´ËÊ


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

дÁ˸ö²âÊÔ³ÌÐòÈçÏÂ
   
  struct hostent *hp; 
char AlarmDevIP[20];  
  int x2;

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