/*
????本程序模擬cat命令（只模擬打印，不處理特殊字符）

????歷史記錄:
????日期????????????作者????????????描述????????????聯系方式
????20140417????????盧富波??????????首次創建????????1164830775@qq.com

????需求:
????僅僅只是將數據打印到標準輸出，不對數據中的特殊字符進行處理
????如果沒輸入任何參數，或者輸入的文件名為-則從標準輸入讀數據
*/
#include??????/*?for?printf?*/
#include?????/*?for?exit?*/
#include?
#include?
#include?
#include?
#include?
#include?

#define?????EXIT_FAILURE????????????1
#define?????EXIT_SUCESS?????????????0
#define?????MAX_BUF_SIZE????????????1024

static?char?????????????*program_name?=?NULL;???/*?程序名指針???????????????*/
static?char?????????????*infile?=?NULL;?????????/*?指向輸入文件?????????????*/
static?int??????????????input_desc?=?-1;????????/*?輸入文件描述符???????????*/

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

????.......??????3899??2014-04-17?23:38??c語言實現linux命令\my_linux_command\cat.c

????.......??????4538??2014-05-30?11:55??c語言實現linux命令\my_linux_command\chattr.c

????.......??????2037??2014-05-16?16:37??c語言實現linux命令\my_linux_command\chgrp.c

????.......??????2299??2014-05-15?22:30??c語言實現linux命令\my_linux_command\chmod.c

????.......??????2053??2014-05-16?16:35??c語言實現linux命令\my_linux_command\chown.c

????.......??????2209??2014-05-09?21:30??c語言實現linux命令\my_linux_command\cp.c

????.......??????7807??2014-06-05?12:09??c語言實現linux命令\my_linux_command\cut.c

????.......??????6111??2014-05-16?13:37??c語言實現linux命令\my_linux_command\date.c

????.......??????2869??2014-06-05?12:08??c語言實現linux命令\my_linux_command\df.c

????.......??????1533??2014-06-05?12:08??c語言實現linux命令\my_linux_command\du.c

????.......???????636??2014-05-29?13:49??c語言實現linux命令\my_linux_command\echo.c

????.......??????2479??2014-06-17?09:56??c語言實現linux命令\my_linux_command\expand.c

????.......??????1869??2014-06-03?09:45??c語言實現linux命令\my_linux_command\find.c

????.......??????2131??2014-04-17?19:12??c語言實現linux命令\my_linux_command\getopt_long.c

????.......??????2857??2014-06-05?12:09??c語言實現linux命令\my_linux_command\grep.c

????.......??????4835??2014-05-09?10:37??c語言實現linux命令\my_linux_command\head.c

????.......??????7690??2014-06-17?09:56??c語言實現linux命令\my_linux_command\join.c

????.......??????4370??2014-06-05?12:08??c語言實現linux命令\my_linux_command\last.c

????.......???????268??2014-05-30?11:55??c語言實現linux命令\my_linux_command\lib\bit_opr.h

????.......??????2943??2014-06-17?09:56??c語言實現linux命令\my_linux_command\lib\char_map.h

????.......??????3019??2014-05-15?22:26??c語言實現linux命令\my_linux_command\lib\chmod.h

????.......??????3740??2014-05-16?16:35??c語言實現linux命令\my_linux_command\lib\chown.h

????.......???????513??2014-04-18?00:20??c語言實現linux命令\my_linux_command\lib\command_comm.h

????.......??????8973??2014-05-09?21:22??c語言實現linux命令\my_linux_command\lib\copy.h

????.......???????906??2014-06-17?09:56??c語言實現linux命令\my_linux_command\lib\err_msg.h

????.......??????1868??2014-06-03?09:45??c語言實現linux命令\my_linux_command\lib\fileflag.h

????.......??????1887??2014-05-13?21:53??c語言實現linux命令\my_linux_command\lib\file_isexist.h

????.......??????3328??2014-06-03?09:45??c語言實現linux命令\my_linux_command\lib\find_file.h

????.......???????398??2014-05-16?13:38??c語言實現linux命令\my_linux_command\lib\gettime.h

????.......??????2360??2014-06-17?09:56??c語言實現linux命令\my_linux_command\lib\get_filesize.h

............此處省略50個文件信息