http get function for embeded tcp/ip system, get stream mp3 and send to hardware mpeg decoder.

此程序是在STC89C58上运行的，实现对sim300的初始化及其控制。在GPRS上网时，获取sim卡ip地址。-This program is run in STC89C58 realize the sim300 initialization and control. In the GPRS network, the access sim card ip address.

用的stm32开发板，外加ENC28J60模块，FUIP的STM32最稳定版。程序中可稳定运行HTTP，TCP Server TCP CLIENT ，UDP。最难得是可以自动获取IP DHCP功能(The STM32 development board, the ENC28J60 module, and the most stable STM32 version of FUIP. In the program, HTTP can be run steadily, TCP Server TCP C