这是一个readline代码，是老师给我看的，我看了一个星期就明白了，现在拿出来给有需要的人，希望有用-This is a readline code, is a teacher to show me, and I saw a week to understand, and now out to those in need, hope useful

一个LINUX的MIDI教程，基于ALSA的示例实现，自己看了觉得不错，提供给需要的人。-A LINUX-MIDI tutorials, sample implementation based on ALSA, saw themselves feel good, available to people in need.