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#include <dirent.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <errno.h>
#include <stdlib.h>
#include <unistd.h>
#include <limits.h>
#include "__dirent.h"
DIR *fdopendir(int fd)
{
DIR *dir;
struct stat st;
if (fstat(fd, &st) < 0 || !S_ISDIR(st.st_mode)) {
errno = ENOTDIR;
return 0;
}
if (!(dir = calloc(1, sizeof *dir))) {
return 0;
}
fcntl(fd, F_SETFD, FD_CLOEXEC);
dir->fd = fd;
return dir;
}
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