Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

¹ØÓÚC¡¢C++ÖеÄconstºÍÖ¸Õë

żȻµÄÒòËØ£¬¶ÔconstÀ´Á˵ãÐËȤ£¬×öÁËÒ»ÏÂʵÑ飺
1. Óï·¨£ºconst¡¢Ö¸Õë
       ÔÚgccÖУ¬ ¶ÔÓÚCÓïÑÔ£¬ÏÂÃæµÄÓï¾äÊǺϷ¨µÄ£º
const int a=0;
int *p=&a;
      ¶øC++ÖУ¬ÐèÒªÊÖ¹¤Ç¿ÖÆ×ª»»²ÅÄܱàÒëͨ¹ý£º
           const int a=0£»
           int *p=£¨int *£©&a£»
2.  ¼ÈÈ»Äܹ»½«const±äÁ¿µÄµØÖ·¸³¸øÖ¸Ïò·Çconst±äÁ¿µÄÖ¸Õ룬ÄÇôÄÜ·ñ¸Ä±äͨ¹ýÖ¸Õë¸Ä±äconst±äÁ¿µÄֵĨ£¿
    1)ÔÚgccÖУ¬±àÒëÖ´ÐÐÒÔÏ´úÂ룺
const    int c=2;
      int *p=&c;
      *p=1;
printf("c is :%d\n",c);
±àÒëʱ»áÓо¯¸æ£º¾¯¸æ£º³õʼ»¯¶ªÆúÁËÖ¸ÕëÄ¿±êÀàÐ͵ÄÏÞ¶¨
½á¹ûΪ£º
c is 1
 
˵Ã÷ËäÈ»Óо¯¸æ£¬µ«ÊÇ˳Àû±àÒëͨ¹ý£¬²¢Çҳɹ¦¸Ä±äÁ˳£Á¿cµÄÖµ£¨´Ó2±äΪ1£©¡£
     2.½ÓÏÂÀ´¿´ÏÂÃæÒ»¶Î´úÂ룺
#include <stdio.h>
#include <unistd.h>
int main(void)
{
      const   int c=2;
      int a=0;
     
      const int *p;
      p=&a;
     
      int *p2=&a;
      p2[1]=-1;
 
      printf("p2[1] is :%d\n",p2[1]);
      printf("a is :%d\n",a);
      printf("c is :%d\n",c);
      printf("c address is:%d\n",&c);
      printf("p2[1] address is:%d\n",p2+1);
      printf("*(&c) is :%d\n",*(&c));
}
Õâ¶Î´úÂ룬³ÌÐò»áÓÐÔõÑùµÄÊä³öÄØ£¿
1.±£´æÎªºó׺Ϊ.cµÄÎļþ£¬ÓÃgcc±àÒ룬ִÐнá¹ûÈçÏ£º
p2[1] is :-1
a is :0
c is :-1
c address is:-1076230280
p2[1] address is:-1076230280
*(&c) is :-1
˵Ã÷p2+1µÄµØÖ·ºÍcµÄµØÖ·Ò»Ñù£¬³ÌÐò³É¹¦µÄ¼ä½Ó¸Ä±äÁËcµÄÖµ£¨p2Ô½½ç·ÃÎ


Ïà¹ØÎĵµ£º

ÓÃCдµÄ3DÃÔ¹¬

          Boss˵£¬Òª¿´OpenGL£¬¿´ÁË¿ìÒ»¸öÔ£¬×ÜËã³öÁ˸öÏñÑùµÄ¶«Î÷£¬ÓÃCдÁ˸ö3DÃÔ¹¬£¬
ËäȻֻÓÐ350ÐÐ
       ´úÂ룬²»¹ý±ßѧ±ßд£¬×ã×ãдÁËÒ»ÖÜʱ¼ä£¬»¹ÊÇСÓгɾ͸е쬻î»î»î£¡
         &n ......

´Ó±àд¿çƽ̨³ÌÐò̸CºÍC++

    ¹¤×÷ºóÎÒ×ÐϸÔĶÁÁ˹«Ë¾µÄ3DÒýÇæµÄÔ´´úÂ룬ÕâÊÇ¿îά»¤ÁËÊ®¼¸ÄêµÄÒýÇæ£¬Ö÷ÒªÔËÐÐÔÚXBox, PS3ºÍPCƽ̨ÉÏ¡£ºËÐIJ¿·ÖÓÃCÓïÑÔд£¬ÆäËû²¿·Ö×é¼þÓÃC++±àд¡£ÎÒÒÔǰºÜÉÙÓÃCÓïÑÔ±à³Ì(°Ý´óѧ½ÌÓýËù´Í)£¬µ«¶ÁÁËÌ«¶àÕâ¿îÒýÇæµÄ´úÂëÉîÉîµÄÖÐÁËCÓïÑԵ;¡£C¸øÎҵĸоõ¾ÍÊǼòµ¥Ã÷ÁË£¬Òª½â¾öÎÊÌâ¾ÍÊÇÖ±½ÓÈ¥½â¾öËü£¬¾ø²»¹ ......

c ÓïÑÔÌõ¼þ±àÒë Ïê½â

Ô¤´¦Àí¹ý³ÌɨÃèÔ´´úÂ룬¶ÔÆä½øÐгõ²½µÄת»»£¬²úÉúеÄÔ´´úÂëÌṩ¸ø±àÒëÆ÷¡£¿É¼ûÔ¤´¦Àí¹ý³ÌÏÈÓÚ±àÒëÆ÷¶ÔÔ´´úÂë½øÐд¦Àí¡£
ÔÚCÓïÑÔÖУ¬²¢Ã»ÓÐÈκÎÄÚÔڵĻúÖÆÀ´Íê³ÉÈçÏÂһЩ¹¦ÄÜ£ºÔÚ±àÒëʱ°üº¬ÆäËûÔ´Îļþ¡¢¶¨Òåºê¡¢¸ù¾ÝÌõ¼þ¾ö¶¨±àÒëʱÊÇ·ñ°üº¬Ä³Ð©´úÂë¡£ÒªÍê³ÉÕâЩ¹¤×÷£¬¾ÍÐèҪʹÓÃÔ¤´¦Àí³ÌÐò¡£¾¡¹ÜÔÚĿǰ¾ø´ó¶àÊý±àÒëÆ÷¶¼°üº ......

Axis C++ÔÚRedhat LinuxÉϰ²×°(δÍê´ýÕûÀí)

ÏÂÔØµÄ°æ±¾ÊÇAxis C++ 1.6 Beta
¿Í»§¶ËºÍ·þÎñÆ÷¶Ë¶¼ÐèҪʵÏÖ°²×°xml½âÎöÆ÷
Xerces C++ (2.2.0)
·þÎñÆ÷¶Ë»¹ÐèÒªapache1.3.x»òÕß2.0.x
Ò»¡¢·þÎñÆ÷¶Ë°²×°
1¡¢°²×°Axis C++
2¡¢°²×°Apache£¬ÎÒÃDzÉÓÃApache 2.2.6
×¢ÒâÒ»¶¨ÒªApache 1.3.x use --enable-module=so; for Apache 2.0.x use --enable-so when configuring£¬± ......

C/C++Çó×î´ó¹«Ô¼ÊýºÍ×îС¹«±¶Êý£¨×ª£©

ÏÂÃæÓõ½µÄ·½·¨½ÐշתÏà³ý·¨£¬¾ß×ö²½ÖèÈçÏ   
    
   ÏÈÓÃСµÄÒ»¸öÊý³ý´óµÄÒ»¸öÊý£¬µÃµÚÒ»¸öÓàÊý£»   
   ÔÙÓõÚÒ»¸öÓàÊý³ýСµÄÒ»¸öÊý£¬µÃµÚ¶þ¸öÓàÊý£»   
   ÓÖÓõڶþ¸öÓàÊý³ýµÚÒ»¸öÓàÊý£¬µÃµÚÈý¸öÓàÊý£» &nb ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ