摘要：
3 File I/O (文件I/O) 3.1 Introduction (介绍) Most file I/O on a UNIX system can be performed using only five functions: open, read, write, lseek, and close. (在UNIX系统上大多数文件I/O可以执行使用open, read, write, lseek, 和 close这五个函数。) We describe the dup, fcntl, sysnc, fsync and ioctl functions. 3.2 File Descript... 阅读全文