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import sys
from cffi import FFI
if not sys.platform.startswith('linux'):
raise Exception("Linux-only demo")
ffi = FFI()
ffi.cdef("""
typedef void DIR;
typedef long ino_t;
typedef long off_t;
struct dirent {
ino_t d_ino; /* inode number */
off_t d_off; /* offset to the next dirent */
unsigned short d_reclen; /* length of this record */
unsigned char d_type; /* type of file; not supported
by all file system types */
char d_name[256]; /* filename */
};
int readdir_r(DIR *dirp, struct dirent *entry, struct dirent **result);
int openat(int dirfd, const char *pathname, int flags);
DIR *fdopendir(int fd);
int closedir(DIR *dirp);
""")
ffi.set_source("_readdir", None)
if __name__ == '__main__':
ffi.compile()
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