lsCommand.h

#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>

void lsCommand(void)
{
	int i = 0;
	int j = 0;
	pid_t pid = fork();
	
	if(pid == -1)
	{
		perror("ERROR!");
		
		exit(0);
	}	
	else if(pid == 0)
	{
		i = execlp("ls", "ls", (char *)NULL);
		printf("%d", i);
	}
	else
	{
		wait(&j);
	}
}