fuse_add_direntry
DEF(fuse_add_direntry);
size_t fuse_add_direntry(fuse_req_t, char *, const size_t, const char *,
len = fuse_add_direntry(NULL, NULL, 0, name, stbuf, off);
len = fuse_add_direntry(ifuse_req(), buf, resid, name, &attr, off);
PROTO(fuse_add_direntry);