如何用C#/C++调取创蓝253短信验证码

#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include

#define SA struct sockaddr
#define MAXLINE 4096
#define MAXSUB  2000
#define MAXPARAM 2048

#define LISTENQ        1024


//线上线下接口宏开关

#define ONLINE  


extern int h_errno;

int sockfd;



char *hostname = "123.59.105.84";
char *send_sms_uri = "/msg/send";
char *query_balance_uri ="/msg/balance";



/**
* * 发http post请求
* */
ssize_t http_post(char *page, char *poststr)
{
    char sendline[MAXLINE + 1],recvline[MAXLINE + 1];
    ssize_t n;
        snprintf(sendline,MAXSUB,
               "POST %s HTTP/1.0\r\n"
               "Host: sms.253.com\r\n"
               "Content-type: application/x-www-form-urlencoded\r\n"
               "Content-length: %zu\r\n\r\n"
               "%s", page, strlen(poststr), poststr);
    write(sockfd, sendline,strlen(sendline));
       printf("\n%s", sendline);
       printf("\n--------------------------\n");
    while ((n = read(sockfd,recvline, MAXLINE)) > 0) {
       recvline[n] = '\0';
       printf("%s\n", recvline);
    }
    return n;
}

/**
* * 查账户余额
* */
ssize_t get_balance(char *un, char *pw)
{
    char params[MAXPARAM + 1];
    char *cp = params;

       sprintf(cp,"un=%s&pw=%s", un, pw);

    returnhttp_post(query_balance_uri, cp);
}

/**
* * 发送短信
* */
ssize_t send_sms(char *un, char *pw, char*phone, char *msg)
{
    char params[MAXPARAM + 1];
    char *cp = params;

       sprintf(cp,"un=%s&pw=%s&phone=%s&msg=%s&rd=1", un,pw, phone, msg);    

    return http_post(send_sms_uri,cp);
}

int main(void)
{
    struct sockaddr_in servaddr;
    char str[50];

    //建立socket连接
    sockfd = socket(AF_INET,SOCK_STREAM, 0);
    bzero(&servaddr,sizeof(servaddr));
    servaddr.sin_addr.s_addr =inet_addr(hostname);
    servaddr.sin_family = AF_INET;
    servaddr.sin_port = htons(80);
    inet_pton(AF_INET, str,&servaddr.sin_addr);
    connect(sockfd, (SA *) &servaddr, sizeof(servaddr));


        char *un = "账号";
        char *pw = "密码";
        char *phone ="手机号";
        //必须带签名
        char *msg = "【253云通讯】您的验证码是123400";

    //get_balance(un, pw);
    send_sms(un, pw, phone, msg);
    close(sockfd);
    exit(0);
}