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

extern "C"

CºÍC++»¥Ïàµ÷Óú¯Êýʱ£¬Ê¹ÓÃextern "C"¡£
Ô­Òò£º
C²»Ö§³Öº¯ÊýÖØÔØ£¬¶øC++Ö§³Öº¯ÊýÖØÔØ¡£º¯Êý±»C++±àÒëºó»áÃû×ÖÓëCÓïÑÔ²»Í¬¡£¼ÙÉèijº¯ÊýÔ­ÐÍΪfoo(ing x, int y)£¬±»C++±àÒëºóÃû×ÖΪ_foo_int_int£¬¶øC±àÒëÆ÷±àÒëºóÃû×ÖΪ_foo¡£


Ïà¹ØÎĵµ£º

SQLiteÓëC½áºÏ

SQLite¹Ù·½ÍøÕ¾Àý×Ó£º
#include <stdio.h>
#include <sqlite3.h>
static int callback(void *NotUsed, int argc, char **argv, char **azColName){
int i;
for(i=0; i<argc; i++){
printf("%s = %s\n", azColName[i], argv[i] ? argv[i] : "NULL");
}
printf("\n");
return 0;
}
i ......

C/C++ѧϰ

×î½ü¶Ô»ù´¡ÖªÊ¶½øÐÐÁËѧϰ£¬·¢ÏÖÒÔǰºÜ¶à¶«Î÷¶¼Ã»ÓиãÇå³þ
1. ±àÒëµÄÎÊÌ⣬ͷÎļþÖ÷ÒªÊǶ¨Òå
//////// add.c
int add(int a, int b)
{
     return a + b;
}
///////// main.c
#include <stdio.h>
int add(int a, int b);
int main ()
{
      printf("%d" ......

C/C++Ê¥Õ½(¶þ)

ODBCºÍIDAPIÖ®Õù
µ±MicrosoftÔÚÖ𽥵Ļ÷°ÜËûµÄ¾ºÕù¶ÔÊÖ£¬²¢ÇÒÓµÓÐÁ˴󲿷ÝPCÊý¾Ý¿âÊг¡Ö®ºó£¬±ãÂýÂýµÄÁË½âµ½ÕÆÎÕ±ê×¼µÄÖØÒªÐÔ¡£´ËÍâMicrosoftΪÁËͳһ¸÷Ó¦ÓóÌÐòÖ®¼ä²»Í¬×ÊÁϵĴæÈ¡£¬Òò´Ë¿ªÊ¼Öƶ¨´æÈ¡×ÊÁϵÄͳһ±ê×¼-ODBC¡£Microsoft¸ü´óµÄÄ¿µÄÊÇΪÁË×¼±¸ºÍÃé×¼ÏÂÒ»³¡µÄ´óÕ½£¬ÄǾÍÊÇPCÉϵÄRDBMS²úÆ·¡£µ±È»Microsoft Ҫһͳ ......

¶Á¡¶c³ÌÐòÉè¼ÆÓïÑÔ¡·Ò»Ð©¸ÐÊÜ

     ×î½üÔÚ¿´¡¶c³ÌÐòÉè¼ÆÓïÑÔ¡·£¬¾ÍÊÇÄDZ¾±»ÓþΪCÓïÑÔÊ¥¾­µÄÊé¼®¡£¼¸Ìì¿´ÁËÒ»Õ£¬¸Ð´¥ºÜ´ó£¬¿ªÆª¾ÍÉæ¼°µ½ºÜ¶àʵÓóÌÐò£¬²»ÏñÌ·ºÆÇ¿ÄÇÑùÈÃÈËÉîÏÝÓ﷨ϸ½ÚÖ®ÖУ¬¶øÇÒѧÍêÌ·µÄÊé¸Ð¾õʲô¶¼²»ÄÜ×ö¡£ºÜ¶àÎÊÌâÌ·¶¼»Ø±ÜÁË¡£Ëùνרҵ¿´¿´c³ÌÐòÉè¼ÆÓïÑԵĴúÂëµÄ·ç¸ñ¾ÍÄܸÐÊܵ½£¬Ò»ÖÖ¾«Ðĵñ×ÁµÄÒÕÊõÆ·¡£µÚÒ»ÕÂÓÐ ......

extern cµÄ×÷ÓÃ

extern cµÄ×÷Óá¾×ª¡¿
2009-12-18 13:10
1.ÒýÑÔ
C++ÓïÑԵĴ´½¨³õÖÔÊÇ“a better C”£¬µ«ÊÇÕâ²¢²»Òâζ×ÅC++ÖÐÀàËÆCÓïÑÔµÄÈ«¾Ö±äÁ¿ºÍº¯ÊýËù²ÉÓõıàÒëºÍÁ¬½Ó·½Ê½ÓëCÓïÑÔÍêÈ«Ïàͬ¡£×÷ΪһÖÖÓûÓëC¼æÈݵÄÓïÑÔ£¬C++±£ÁôÁËÒ»²¿·Ö¹ý³Ì ʽÓïÑÔµÄÌØµã£¨±»ÊÀÈ˳ÆÎª“²»³¹µ×µØÃæÏò¶ÔÏ󔣩£¬Òò¶øËü¿ÉÒÔ¶¨Òå²»ÊôÓ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ