#include <sys/types.h>
#include <sys/dir.h>
#include <sys/param.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

 
#define FALSE 0
#define TRUE !FALSE
 
extern  int alphasort();
 
char pathname[MAXPATHLEN];
 
int main(int argc, char * argv[])   
{
	int count,i;
	struct direct **files;
	int file_select(struct direct   *entry);
	
	if (getwd(pathname) == NULL ){ 
		printf("Error obteniendo ruta \n");
		exit(0);
	}
	
	printf("Directorio Actual = %s\n",pathname);
	count = scandir(pathname, &files, file_select, alphasort);
	/* Si no se encuentran fichero, hacer items no seleccionables */
	if(count <= 0){
		printf("No hay ficheros en directorio\n");
		exit(0);
	}
	
	printf("Cantidad de ficheros = %d\n",count);
	
	for (i=1;i<count+1;++i)
		printf("%s  \n",files[i-1]->d_name);
		
	printf("\n"); /* flush buffer */
	
	return 0;


}

  

int file_select(struct direct   *entry)
{ 
	if ((strcmp(entry->d_name, ".") == 0) || (strcmp(entry->d_name, "..") == 0))
			return (FALSE);
	else
		return (TRUE);
}