#include <stdio.h>
#include <stdlib. h>
#include <string.h>
#include <locale.h>
#include <time.h>
#include <dirent.h>

busca_pdfs([15]*char pdfs) {
    DIR *d;
    int i;
    struct dirent *dir;
    d = opendir(".");
    if (d) {
      while ((dir = readdir(d)) != NULL) {
        strcpy( dir->d_name);
      }
      closedir(d);
    }
}