写的不错的跨平台多线程框架,windows，linux、unix-mutil-thread framework

通过研究linux线程机制，利用多线程解决生产者与消费者的信号并发控制-Through the research Linux thread mechanism of multithread, producers and consumers solve the concurrent control signal

Libcurl为一个免费开源的，客户端url传输库，支持FTP，FTPS，TFTP，HTTP，HTTPS，GOPHER，TELNET，DICT，FILE和LDAP，跨平台，支持Windows，Unix，Linux等，线程安全，支持Ipv6。并且易于使用-Libcurl is a free open-source client libraries url transmission, supporting FTP, FTPS, TFTP, HTTP, HTTPS, GOPHER, TELNET, D