/***

***文件名：1_mypwd.c

***描述：通过系统函数getcwd实现pwd命令

***/

#include<stdio.h>

#include<stdlib.h>

#include<unistd.h>

int main()

{

    char buf[];

    char *cwd = getcwd(buf,sizeof(buf));

    if (NULL == cwd)

    {

        perror("Get current working directory fail.\n");

        exit(-);

    }

    else

    {

        printf("Current working directory is : %s\n",cwd);

    }

    return ;

}