#include <ftw.h>

int ftw(const char *path, int (*fn)(const char *, const struct stat *, int), int fd_limit)
{
        /* The following cast assumes that calling a function with one
         * argument more than it needs behaves as expected. This is
         * actually undefined, but works on all real-world machines. */
        return nftw(path, (int (*)())fn, fd_limit, FTW_PHYS);
}