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一个很有参考价值的邮件发送代码，纯C编写。   用纯C语言发送电子邮件，代码实现起来相对复杂，网上查询和学习也很难找到直接能用的代码，且大部分都是C++的程序。这里分享一个能直接使用的子函数，将头文件和子函数放入自己的程序，修改发送和接收邮箱、邮件主题和内容就行了。由于其中绝大部分代码都是网上下载来修改的，所以这里也特别感谢原作者。

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Clone server, Model Six (clonesrv6.c): main task setupint main (int argc, char *argv []){clonesrv_t *self = (clonesrv_t *) zmalloc (sizeof (clonesrv_t));if (argc == 2 && streq (argv [1], "-p")) {zclock_log ("I: primary active, waiting for backup (passive)");self->bstar = bstar_new (BSTAR_PRIMARY, "tcp://*:5003","tcp://localhost:5004");bstar_voter (self->bstar, "tcp://*:5556", ZMQ_ROUTER, s_snapshots, self);self->port = 5556;self->peer = 5566;self->primary = TRUE;}elseif (argc == 2 && streq (argv [1], "-b")) {zclock_log ("I: backup passive, waiting for primary (active)");self->bstar = bstar_new (BSTAR_BACKUP, "tcp://*:5004","tcp://localhost:5003");bstar_voter (self->bstar, "tcp://*:5566", ZMQ_ROUTER, s_snapshots, self);self->port = 5566;

The following functions allow each DRM entity to get and store their own flush mask,The following functions allow each DRM entity to get and store their own flush mask.

QT4下的串口编程代码，可以参考一下。QT5自带了串口编程接口，可以不参考这些代码。

事实上，很多

基于qt实现的ftp客户段代码，参考了qt文档中的例子，可以实现基本的ftp上传和下载的功能，但是不能实现上传和下载文件夹，可以用来学习和改进。

犯罪报告系统项目在 PHP 题为犯罪文件管理系统是使用 PHP 和 MySQL 服务器开发的 web 应用程序。此 Web 应用程序是为警察局为报告罪行、 投诉、 冷杉、 收费表、 囚犯记录、 显示最想要的罪犯详细信息、 法律和秩序的详细信息以及法院详细信息提供设施。它还跟踪警署警员的详细信息，警察信息，出席会议的详情，薪酬报告时间等。此软件程序包允许警察部门存储处相关的所有详细信息，并利用必要时。                        

此源代码是在linux环境系基于GTK+和mysql编写的即时通讯软件，可以实现基本的聊天功能、搜索添加好友、处理离线消息、文件传输、表情发送等功能.

应用背景 This is the server and client code in C for a simple chat program for multiple client communication. This repository contains code for a very simple chat program implemented on the linux system, using base system libraries and the C programming language. The program consists of two major components, the first being the server program and the second is the Client program. 关键技术 The server program maintains a list of clients and also a queue of client messages. It uses semaphores to make sure synchronisation errors do not occur. The server program accepts one optional input argument – listen_port_number. If this argument is missed, the server will use the default port number 3500 (defined in the provided header file chat_server.h). Once it starts, it runs forever. To ter