Merge pull request #14 from gridnow/master

bad pbuf
Merge pull request #15 from gridnow/master

zero copy
Merge pull request #16 from gridnow/master

delete errmsg debug
Merge pull request #17 from gridnow/master

socket 框架结构
1.修改alloc ringbuff逻辑
2.添加baxi目录下的test_ring_buff.c
Merge pull request #18 from gridnow/master

增加了arm s3c6410的lcd 驱动，目前来看驱动功能是正确的，屏幕稍微有点问题，以后再跟踪。
暂时把bind内代码去掉。有点问题
不该的头文件。。
Merge pull request #24 from tc1989tc/master

增加test_ringbuff.c测试函数,修改ringbuff alloc 处理逻辑