OS lab 2

lab3 : implementing ls command


system calls:

-mkdir
-opendir
-readdir
-rmdir
-closedir
-getcwd


aim: print pwd

pwd.c

#include<stdio.h>
#include<stdlib.h>
#include<unistd.h>
#define BUFF 1024

int main()
{
	char buf[BUFF];

	if(getcwd(buf,sizeof(buf))!=NULL)
	{
		printf("%s\n",buf);
	}
	else
	{
		printf("Error.");
	}
	return 0;
}