#include <sys/types.h>
#include <dirent.h>
#include <stdio.h>
#include <assert.h>

int main ()
{
	DIR * dir;
	struct dirent * entry;
	int i;

	dir = opendir (".");
	assert (dir);
	while ((entry = readdir (dir))) {
		i = strlen (entry->d_name) - 1;
		if ((i >= 1) && (entry->d_name[i] == 'o') &&
		    (entry->d_name[i-1] == '.')) {
		    	printf ("%s\n", entry->d_name);
		}
	}
	return 0;
}