c++ - 从 C0X32.OBJ 引用的未解析的外部 '_main'

Question

#include <CkMailMan.h>
#include <CkEmail.h>
#include <stdio>
void ChilkatSample(void)
    {
//  The mailman object is used for sending and receiving email.
CkMailMan mailman;

//  Any string argument automatically begins the 30-day trial.
bool success;
success = mailman.UnlockComponent("30-day trial");
if (success != true) {
    printf("%s\n",mailman.lastErrorText());
    return;
}

//  Set the SMTP server.
mailman.put_SmtpHost("smtp.chilkatsoft.com");

//  Set the SMTP login/password (if required)
mailman.put_SmtpUsername("myUsername");
mailman.put_SmtpPassword("myPassword");

//  Create a new email object
CkEmail email;

email.put_Subject("This is a test");
email.put_Body("This is a test");
email.put_From("Chilkat Support <support@chilkatsoft.com>");
email.AddTo("Chilkat Admin","admin@chilkatsoft.com");
//  To add more recipients, call AddTo, AddCC, or AddBcc once per recipient.

//  Call SendEmail to connect to the SMTP server and send.
//  The connection (i.e. session) to the SMTP server remains
//  open so that subsequent SendEmail calls may use the
//  same connection.
success = mailman.SendEmail(email);
if (success != true) {
    printf("%s\n",mailman.lastErrorText());
    return;
}

//  Some SMTP servers do not actually send the email until
//  the connection is closed.  In these cases, it is necessary to
//  call CloseSmtpConnection for the mail to be  sent.
//  Most SMTP servers send the email immediately, and it is
//  not required to close the connection.  We'll close it here
//  for the example:
success = mailman.CloseSmtpConnection();
if (success != true) {
    printf("Connection to SMTP server not closed cleanly.\n");
}

printf("Mail Sent!\n");
}

我尝试使用 Chilkat 库发送 STMP 邮件。我收到错误:“未解析从 C0X32.OBJ 引用的外部‘_main’。”

Answer 1

您需要一个 main() 函数，它是(托管)实现的 C 入口点。

它可能就像添加一样简单:

int main (void) {
    ChilkatSample();
    return 0;
}

您的代码，否则它可能会更加复杂。

但最重要的是，您的实现启动代码(在 C0X32.OBJ 中)正在尝试查找 main，以便它可以开始正确运行您的程序。

<小时/>

此外，如果您在 stdio header 之后，则应该使用:

#include <stdio.h>

而不是像现在一样放弃扩展。