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curl c api

 curl c api
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×î½üÑо¿ÁËÒ»ÏÂLinuxϵÄcurl C API,curl c APIµÄÎĵµ±È½Ï·á¸»£¬Î¨Ò»¾ÍÊDzéÕÒÆðÀ´£¬·ÑЩʱ¼ä¡£CurlµÄC APIºÍcurlµÄPHP API£¬º¯Êý½Ó¿ÚºÍ×÷ÓôóÖÂÏàͬ£¬ËùÒÔÈç¹ûÓÐPHP APIʹÓþ­ÑéÓ¦¸ÃºÜºÃÀí½â¡£
1£ºCURLcode curl_global_init(long flags);º¯Êý£¬Õâ¸öº¯ÊýÈ«¾ÖÐèÒªµ÷ÓÃÒ»´Î£¨¶à´Îµ÷ÓÃÒ²¿ÉÒÔ£¬²»¹ýûÓбØÒª£©£¬ ËùÒÔÕâÒ²ÊǰÑCurlplusÉè¼Æ³Éµ¥ÌåÀàµÄÔ­Òò£¬curl_global_initº¯ÊýÔÚÆäËûlibcurlº¯Êýµ÷ÓÃǰÖÁÉÙµ÷ÓÃÒ»´Î£¬³ÌÐò×îºóÐèÒªµ÷ÓÃcurl_global_cleanup,½øÐÐÇåÀí¡£
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CURL_GLOBAL_ALL Initialize everything possible. This sets all known bits.
CURL_GLOBAL_SSL Initialize SSL
CURL_GLOBAL_WIN32 Initialize the Win32 socket libraries.
CURL_GLOBAL_NOTHING Initialise nothing extra. This sets no bit.
CURLcode ÊÇÒ»¸öenum£¬µ±CURLcodeΪCURLE_OKʱ£¬±íʾº¯ÊýÖ´Ðгɹ¦£¬·ñÔòʧ°Ü£¬¾ßÌå´íÎóÔ­Òò¿ÉÒԲ鿴<curl/curl.h>ÎļþÄڵ͍Òå¡£
2£ºcurl_easy_init - Start a libcurl easy session
curl_easy_initÓÃÀ´³õʼ»¯Ò»¸öCURLµÄÖ¸Õë(ÓÐЩÏñ·µ»ØFILEÀàÐ͵ÄÖ¸ÕëÒ»Ñù). ÏàÓ¦µÄÔÚµ÷ÓýáÊøÊ±ÒªÓÃcurl_easy_cleanupº¯ÊýÇåÀí. Ò»°ãcurl_easy_initÒâζ×ÅÒ»¸ö»á»°µÄ¿ªÊ¼. ËüµÄ·µ»ØÖµÊÇCURL *£¬curl_easy_initº¯ÊýÊÇÏß³ÌÏà¹ØµÄ£¬Ò²¾ÍÊÇ˵²»ÄÜÔÚÒ»¸öÏß³ÌÖе÷ÓÃÁíÍâÒ»¸öÏß³Ìͨ¹ýcurl_easy_init´´½¨µÄCURLÖ¸Õë¡£
3£ºCURLcode curl_easy_setopt(CURL *handle, CURLoption option, parameter); 
ÃèÊö: Õâ¸öº¯Êý×îÖØÒªÁË.¼¸ºõËùÓеÄcurl ³ÌÐò¶¼ÒªÆµ·±µÄʹÓÃËü.Ëü¸æËßcurl¿â.³ÌÐò½«ÓÐÈçºÎµÄÐÐΪ. ±ÈÈçÒª²é¿´Ò»¸öÍøÒ³µÄhtml´úÂëµÈ.£¬ÒªÏë¾ßÌåÁ˽âCURLµÄÐÐΪ£¬±ØÐë¶ÔCURLoptionÓÐ×ã¹»µÄÁ˽⣬¾ßÌå¿ÉÒԲο¼
http://curl.haxx.se/libcurl/c/curl_easy_setopt.html
ÕâÀïÓÐÁ½¸öÀàÐͲ»Ò×Àí½âCURLOPT_WRITEFUNCTION£¬CURLOPT_WRITEDATA
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, Curlplus::writer);
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size_t function( void *ptr, size_t size, size_t nmemb, void *stream);
ptr,·µ»ØÊý¾ÝµÄÖ¸Õë
size,·µ»ØÊý¾Ýÿ¿éµÄ´óС
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stream£¬ÊÇcurl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer); ÖеÄbufferµÄÖ¸Õë¡£
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c socket ·¢ËÍhttpÇëÇó

#include <sys/types.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <stdio.h>
#include <netinet/in.h>
#include <arpa/inet.h>
int main(){
int sockfd;
int len;
struct sockaddr_in address;
int result;
char *strings="GET /svnup/rewrite.php HTTP/1 ......

µÚÁùÕ´𰸠c primer plus

 6.1 ±àдһ¸ö³ÌÐò,´´½¨Ò»¸ö¾ßÓÐ26¸öÔªËØµÄÊý×é,²¢ÔÚÆäÖд洢26¸öСд×Öĸ,²¢ÈøóÌÐòÏÔʾ¸ÃÊý×éµÄÄÚÈÝ.
#include <stdio.h>
int main(void)
{
 char a[26] = {'a', 'b', 'c', 'd', 'e', 'f',
     'g', 'h', 'i', 'j', 'k', 'l',
     'm', 'n', 'o', 'p ......

C/C++Êý×éÃûÓëÖ¸ÕëÇø±ð

 ÒÔÏÂÎÄÕÂ×ªÔØÓÚ:ΪÁËѧϰºÍÊÕ²Ø
http://tech.163.com/school · 2005-08-23 11:05:18 · À´Ô´: Ìì¼«Íø
C/C++Êý×éÃûÓëÖ¸ÕëÇø±ð
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¡¡¡¡Ö¸ÕëÊÇC/C++ÓïÑÔµÄÌØÉ«£¬¶øÊý×éÃûÓëÖ¸ÕëÓÐÌ«¶àµÄÏàËÆ£¬ÉõÖÁºÜ¶àʱºò£¬Êý×éÃû¿ÉÒÔ×÷ΪָÕëʹÓá£ÓÚÊǺõ£¬ºÜ¶à³ÌÐòÉè¼ÆÕ߾ͱ»¸ãºýÍ¿ÁË¡£¶øÐí¶àµÄ´óѧÀÏʦ£¬ËûÃÇ ......

²âÊÔ¶ÔCµÄÕÆÎճ̶È

 
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enum {false,true};
int main()
{
int i=1;
do
{
printf("%d\n",i);
i++;
if(i < 15)
continue;
}while(false);
return 0;
}
ÄãÏàÐÅô£¿ÏÂà ......

CÓïÑÔÁ¬½ÓmysqlÊý¾Ý¿â£¬¶ÁÈ¡mysqlÄÚÈÝ

 //linuxϱàÒëg++ $(mysql_config --cflags)  ***.cpp  $(mysql_config --libs)
/*mysqlÊý¾Ý¿âÖбíµÄÄÚÈÝ
mysql> select * from maindb;
+------------------+---------+-------------+---------+----------+---------------------+---------------------+---------------------+------------------- ......
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